Product Description
Made in China Self Tapping Screw eye hook stainless eye hole screws
| Item | Eye Screw |
| Size | M3-M30 |
| Length | 5-200mm |
| Material | Stainless Steel, Carbon Steel |
| Surface | Passivation, Plain, Galvanized, Zinc Plated |
| Packaging | Carton Box / Bag +Pallet |
| Standard | DIN, GB,ASME/ANSI,JIS, BSW, ISO |
| Delivery Time | 3-15 days |
| OEM | Available |
| Bolt | Screw | Nut | Washer |
| Rivet | Anchor | Pin | Hex Bolt |
| Drywall Screw | Hex Nut | Wedge Anchor | Flat Washer |
Q: What’s your product range?
A: Our product cover Bolts, Screws, Nuts, Washers, Spring ,Rivet, Anchor, Nail, CNC parts and so on.
Q: How long is your delivery time?
A: 3 days for stock items,7-15 days for production.
Q: How do you control your quality.
A: QC on-line inspection and final inspection before delivery. 6S management. MTC and Quality Report can be provide.
Q: Could you provide free samples?
A: Yes, we could offer free samples for the items in stock, just need to pay shipping cost, it can be refunded to your orders.
Q: Do you accept small order?
A: Sure, we can accept small orders if we have stock of the specification which you need..
Q: What is your packing ?
A: 20-25kg for 1 carton,36 or 48 cartons for 1 pallet. One pallets is about 900-960kg. Customized carton and Customer’s logo is available.
Q: What is your payment term?
A: We can accept T/T, L/C for bulk order. Paypal and Western Union for small order or sample order.
Made-in-China Online payment is available.
Q: Do you accept customized order?
A: Yes, we can produce according to sample or drawing.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Material: | Stainless Steel/Carbon Steel |
|---|---|
| Type: | Eye Screw |
| Connection: | Common Bolt |
| Head Style: | Eye Screw |
| Standard: | DIN, GB, ANSI, JIS |
| Grade: | A2-70, A4-80, 4.8/8.8 |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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Are there industry standards or regulations governing the use of eye bolt screws?
Yes, there are industry standards and regulations that govern the use of eye bolt screws. These standards and regulations are in place to ensure the safety, reliability, and proper usage of eye bolt screws in various applications. Here’s a detailed explanation:
Industry Standards:
Industry standards provide guidelines and specifications for the design, materials, testing, and installation of eye bolt screws. These standards are developed and maintained by organizations such as the American Society of Mechanical Engineers (ASME), International Organization for Standardization (ISO), and various national and international standards bodies. The specific standards applicable to eye bolt screws may vary depending on factors such as the industry, application, and geographic location.
Some common industry standards related to eye bolt screws include:
- ASME B18.15: This standard provides dimensional requirements for metric eye bolts.
- ASME B18.15.2: This standard covers the dimensional requirements for inch series eye bolts.
- ISO 3266: This standard specifies the mechanical properties and dimensions of eye bolts with metric threads.
- ISO 3266 (Inch Series): Similar to ISO 3266, this standard covers the mechanical properties and dimensions of eye bolts with inch series threads.
- ASME B30.26: This standard, part of the ASME B30 series, provides guidelines for the rigging hardware used in lifting applications, including eye bolts.
These standards ensure that eye bolt screws meet specific dimensional requirements, mechanical properties, and performance criteria. Compliance with industry standards helps to ensure the interchangeability and compatibility of eye bolt screws across different manufacturers and promotes safe and reliable usage in various industries.
Regulations and Codes:
In addition to industry standards, there may be regulations and codes set forth by regulatory bodies and government agencies that govern the use of eye bolt screws in specific applications or industries. These regulations aim to ensure the safety of workers, equipment, and the general public. The specific regulations applicable to eye bolt screws may vary depending on factors such as the jurisdiction and the nature of the application.
For example, in industries such as construction, maritime, or oil and gas, regulatory bodies such as the Occupational Safety and Health Administration (OSHA) in the United States or the European Union’s Machinery Directive may have specific requirements or guidelines for the use of eye bolt screws in lifting, rigging, or anchoring operations. Compliance with these regulations is essential to ensure compliance with workplace safety standards and to prevent accidents or failures.
It is important for individuals and organizations to be aware of and comply with relevant industry standards and regulations governing the use of eye bolt screws in their specific applications. This helps to ensure the proper selection, installation, and usage of eye bolt screws, promoting safety, reliability, and compliance with industry best practices.
Can eye bolt screws be used for both temporary and permanent installations?
Yes, eye bolt screws can be used for both temporary and permanent installations, depending on the specific application and requirements. Let’s explore the use of eye bolt screws in both scenarios:
Temporary Installations:
Eye bolt screws are commonly employed in temporary installations where a temporary attachment point is needed for lifting or securing loads. Some examples of temporary installations include:
- Construction and Rigging: Eye bolt screws can be used during construction or rigging projects to provide temporary attachment points for lifting equipment, securing temporary structures, or supporting temporary loads. They offer a quick and convenient solution for temporary lifting operations and can be easily installed and removed as needed.
- Events and Exhibitions: Eye bolt screws are often used in event setups, such as stage installations, exhibition displays, or hanging decorations. They provide a temporary attachment point for suspending lighting, audio equipment, banners, or other temporary fixtures. Once the event or exhibition is over, the eye bolt screws can be removed without causing permanent damage to the venue.
- Temporary Storage and Transport: Eye bolt screws can be used in temporary storage or transport applications to secure loads during transit or storage. They provide a reliable attachment point for securing items with ropes, cables, or straps, ensuring that they remain stable and protected during temporary storage or transportation.
Permanent Installations:
Eye bolt screws are also suitable for permanent installations that require a long-term or permanent attachment point. Some examples of permanent installations include:
- Industrial and Manufacturing: Eye bolt screws are commonly used in industrial and manufacturing settings to create permanent attachment points for lifting heavy machinery, equipment, or structural components. These installations are designed to be long-lasting and provide a reliable and secure connection for ongoing lifting operations.
- Marine and Boating: Eye bolt screws with corrosion-resistant materials, such as stainless steel, are frequently used in marine and boating applications. They serve as permanent attachment points for securing ropes, cables, or chains on boats, docks, or other marine structures, ensuring safe and reliable mooring or towing operations.
- Building and Infrastructure: Eye bolt screws are utilized in building and infrastructure projects for permanent installations. They are often embedded into concrete or other structural materials to create permanent attachment points for lifting, suspension, or anchoring purposes. These installations are designed to withstand long-term loads and provide a durable and dependable attachment solution.
It is important to note that regardless of whether eye bolt screws are used for temporary or permanent installations, proper installation techniques, load calculations, and adherence to safety guidelines are essential to ensure the effectiveness, reliability, and safety of the installations.
What is an eye bolt screw, and how is it used in various applications?
An eye bolt screw is a type of fastener that features a looped or circular end, commonly referred to as an “eye,” which allows for the attachment of cables, ropes, or other hardware. It is designed to provide a secure and reliable point for lifting, hanging, or securing objects in various applications. Here’s an overview of eye bolt screws and their uses in different settings:
An eye bolt screw typically consists of three main components: a threaded shank, a looped eyelet, and a shoulder or collar that provides stability and prevents the bolt from pulling through the attachment point. The threaded shank allows for easy installation by screwing the bolt into a pre-drilled hole or threaded receptacle.
Eye bolt screws find applications across multiple industries and settings, including:
- Lifting and Rigging: One of the primary uses of eye bolt screws is in lifting and rigging operations. They provide a secure anchor point for attaching slings, chains, or cables to lift heavy objects, such as machinery, equipment, or structural components. Eye bolt screws used in lifting applications must be rated for the intended load capacity and comply with applicable safety standards.
- Marine and Boating: Eye bolt screws are commonly used in marine and boating applications. They serve as attachment points for ropes, lines, or cables used in securing sails, rigging, or mooring. Eye bolt screws made from corrosion-resistant materials, such as stainless steel or galvanized steel, are preferred to withstand the harsh marine environment.
- Outdoor and Recreational Activities: Eye bolt screws are utilized in various outdoor and recreational activities. They can be used to create anchor points for hanging swings, hammocks, or zip lines, providing a safe and stable attachment for users. Eye bolt screws are also employed in camping, hiking, and adventure sports for setting up shelters, securing equipment, or establishing temporary structures.
- Construction and Building: In the construction industry, eye bolt screws are used for various purposes. They can be installed in concrete, wood, or steel structures to provide attachment points for hoisting or securing materials during construction or renovation projects. Eye bolt screws are also employed in scaffolding systems, safety harnesses, or fall protection equipment.
- Industrial and Manufacturing: Eye bolt screws find applications in industrial and manufacturing settings. They can be used for hanging fixtures, overhead conveyors, or jigs and fixtures. Eye bolt screws facilitate the safe and efficient movement of materials, components, or workpieces within production lines or assembly processes.
- Transportation and Automotive: Eye bolt screws are utilized in the transportation and automotive industries. They can be used as anchor points for securing cargo, tying down loads in trucks or trailers, or attaching accessories like bike racks or roof boxes. Eye bolt screws designed for automotive applications often feature additional provisions for mounting brackets or hardware.
It is important to choose eye bolt screws that are appropriate for the intended application and meet the necessary load capacity and safety requirements. The installation of eye bolt screws should follow recommended guidelines, including proper torque values, thread engagement, and inspection for any signs of wear or damage over time. Regular maintenance and inspections are necessary to ensure the continued safety and reliability of eye bolt screw installations.
editor by CX 2024-04-09
China Good quality Free Sample Hot-DIP Galvanizing Lifting M12 Lifting Forged Long Eye Bolt Screw DIN444
Product Description
| Free Sample Hot-Dip Galvanizing Lifting M12 Lifting Forged Long Eye Bolt Screw DIN444
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Product Description
Product Name: Lifting Eye Bolt with Fish Eye Design
Material Specifications:
- Carbon steel zinc galvanized 5μm
- Carbon steel hot-dipped galvanized 40μm
- Stainless steel 304 (A2) and 316 (A4)
Package Details
Company Profile
Vigor Fasteners – Product Description
Welcome to HangZhou Vigor Fasteners Trading Co., Ltd.
With over 14 years of experience in the fasteners industry, Vigor Fasteners is a company that prioritizes flexibility, customer service, and satisfaction. We are dedicated to providing professional services and high-quality products to our valued customers.
Our Products
Our wide range of products caters to various industries, with a special emphasis on the construction industry. Our bolts and screws are versatile and can be used in numerous applications.
What sets us apart from the competition is our in-depth knowledge of our products and our commitment to growing alongside our business partners.
Some of our main products include:
- Drop-in Anchor
- Drop-in Anchor with Lip
- Hex Bolt Sleeve Anchor
- Sleeve Anchor with Flange Nut
- Chemical Anchor
- Wedge Anchor
- Stub Bolt
- Nylon Anchor
- Tie Wire Anchor
- Hollow Wall Anchor
- Swivel Band Hanger
- Hex Socket Set Screw DIN913/914/915/916-45H
- Automotive Hub Bolt
- Flange Head Cap Screw
- Bush Hammer Bit with Alloy Tips
- DIN912 Hex Socket Head Cap Screw
- DIN7991 Socket Flat Head Cap Screw
- ISO7380 Button Socket Head Cap Screw
- Hex Key DIN911 (Wrenches)
- Driver Bits
- Hand Tools (Shooting Tools and Shooting Nails)
At Vigor Fasteners, we believe in building a strong relationship with our customers. Trust is not something that can be fabricated; it is earned through years of consistent care. Join us and let’s fasten it together in the whole world.
FAQ
Product Description
Product Description
Welcome to HangZhou Vigor Fasteners Trading Co., Ltd.! We are here to provide you with high-quality products and exceptional service. Please find below some important information about our products:
Quotation
To receive a quotation, please provide us with detailed information about your request. Include the item number, style, logo, size, material, surface treatment, and quantity. The more details you provide, the better. You can leave us an inquiry or email us, and we will respond promptly.
Free Sample
If you would like to receive a free sample, we recommend working with T/T, PayPal, or Western Union. These payment methods are all available for your convenience.
Order Process
The process of placing an order with us is simple. Start by sending us an inquiry. Once we receive your inquiry, we will provide you with a quotation. After the payment is done, we will open the mold and make samples. We will then deliver the samples to you or send you pictures for approval. Finally, we will proceed with mass production.
Customized Product Timeline
If you are wondering how long it will take for your customized product to be finished, here is a general timeline:
- Sample: 7-10 working days (Standard)
- Bulk order: 20-25 working days (Standard)
If you have any other questions or need further assistance, please feel free to contact us. We are here to help!
Thank you for choosing HangZhou Vigor Fasteners Trading Co., Ltd. We look CHINAMFG to serving you.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Material: | Carbon Steel, Stainless Steel |
|---|---|
| Type: | Round Head |
| Connection: | Common Bolt |
| Head Style: | Round |
| Standard: | DIN, ANSI, GB, JIS, BSW |
| Grade: | 4.8 , 8.8 |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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How do environmental factors impact the choice of materials for eye bolt screws?
Environmental factors play a crucial role in determining the appropriate choice of materials for eye bolt screws. Different environments can subject eye bolt screws to various conditions that can affect their performance, durability, and resistance to corrosion. Here’s a detailed explanation of how environmental factors impact the selection of materials for eye bolt screws:
- Corrosion Resistance: One of the primary considerations when selecting materials for eye bolt screws is their resistance to corrosion. Environmental factors such as moisture, humidity, saltwater, chemicals, and exposure to corrosive gases can accelerate the corrosion process. In corrosive environments, materials like stainless steel, galvanized steel, or other corrosion-resistant alloys are commonly chosen to ensure the long-term integrity and reliability of the eye bolt screws.
- Temperature Extremes: Extreme temperatures can impact the mechanical properties of materials used in eye bolt screws. High temperatures can cause thermal expansion, which may affect the dimensional stability and load-bearing capacity of the screws. Conversely, low temperatures can make certain materials brittle and prone to fracture. Therefore, eye bolt screws intended for use in extreme temperature environments may require materials with high-temperature resistance, low-temperature toughness, or thermal stability.
- UV Exposure: Eye bolt screws used in outdoor applications are often exposed to ultraviolet (UV) radiation from sunlight. Prolonged UV exposure can degrade the mechanical properties and surface finish of certain materials. To mitigate the effects of UV radiation, materials with UV-resistant coatings or additives may be chosen. Additionally, materials like stainless steel or non-metallic composites that have inherent UV resistance can be used to ensure the longevity and performance of the eye bolt screws.
- Chemical Exposure: Environments with chemical exposure, such as industrial facilities or laboratories, require eye bolt screws that can withstand the specific chemicals present. Certain chemicals can cause corrosion, degradation, or chemical reactions with certain materials. In such cases, materials with high chemical resistance, such as specific grades of stainless steel or other alloys, may be selected to ensure the eye bolt screws can withstand the chemical environment without compromising their integrity.
- Outdoor and Marine Environments: Eye bolt screws used in outdoor or marine environments are exposed to a combination of factors, including moisture, humidity, temperature variations, UV radiation, and saltwater exposure. These environments are particularly challenging due to the increased risk of corrosion. Eye bolt screws for outdoor or marine applications often require materials designed to withstand these harsh conditions, such as marine-grade stainless steel, galvanized steel, or other corrosion-resistant alloys.
- Electrical Conductivity: In some applications, electrical conductivity or non-conductivity of eye bolt screws may be a critical consideration. Certain environments require non-conductive materials to prevent electrical currents from flowing through the screws, reducing the risk of electrical hazards. Conversely, in electrical grounding or bonding applications, conductive materials like brass or certain steel alloys may be preferred to ensure proper electrical continuity.
By carefully considering the environmental factors, engineers and designers can choose materials for eye bolt screws that possess the necessary properties to withstand the specific conditions they will encounter. This ensures the longevity, performance, and safety of the eye bolt screws in their intended environments.
What safety guidelines should be followed when using eye bolt screws in lifting applications?
When using eye bolt screws in lifting applications, it is crucial to follow specific safety guidelines to ensure the safety of personnel, prevent accidents, and maintain the integrity of the lifting operation. Here are some important safety guidelines to consider:
- Proper Selection: Choose eye bolt screws that are appropriate for the intended lifting application. Consider factors such as load capacity, material strength, corrosion resistance, and compliance with relevant standards to ensure the selected eye bolt screws can safely handle the expected loads and environmental conditions.
- Inspect Regularly: Regularly inspect eye bolt screws for any signs of damage, wear, or deformation. Inspections should be carried out before each use and periodically during the service life of the eye bolt screws. If any defects or issues are identified, the eye bolt screws should be replaced or repaired before further use.
- Proper Installation: Follow the manufacturer’s instructions for the proper installation of eye bolt screws. Ensure that the eye bolt screws are securely and correctly installed in a compatible structure or support system. Pay attention to the recommended torque values and installation techniques to achieve proper engagement and load distribution.
- Load Calculation: Determine the load requirements and calculate the appropriate load capacity for the eye bolt screws. Avoid overloading the eye bolt screws beyond their rated capacity, as this can lead to failure and unsafe lifting conditions. Consider dynamic loads, shock loads, and any other relevant factors in the load calculation.
- Use Proper Hardware: Select and use appropriate hardware, such as shackles, hooks, or connectors, that are compatible with the eye bolt screws and the lifting equipment being used. Make sure the hardware is in good condition, properly rated for the loads involved, and securely attached to the eye bolt screws.
- Avoid Side Loading: Eye bolt screws should be used in a manner that avoids side loading. Side loading, which occurs when the load is applied at an angle to the axis of the eye bolt screw, can significantly reduce its load capacity and lead to failure. Ensure that the load is applied in line with the axis of the eye bolt screws.
- Regular Maintenance: Implement a routine maintenance program to ensure the ongoing safety and reliability of the eye bolt screws. This may include lubrication, cleaning, and periodic inspections to identify any signs of wear, corrosion, or other issues that could compromise the integrity of the eye bolt screws.
- Training and Awareness: Provide proper training and awareness to personnel involved in the lifting operation. Ensure that they understand the safe and proper use of eye bolt screws, including the importance of load limits, inspection procedures, and adherence to safety guidelines. Promote a culture of safety and encourage reporting of any concerns or incidents.
- Compliance with Standards: Familiarize yourself with relevant industry standards, regulations, and guidelines pertaining to lifting operations and eye bolt screws. Ensure that the selected eye bolt screws and the lifting operation comply with these standards to maintain safety and legal compliance.
By following these safety guidelines, you can minimize the risk of accidents, prevent equipment failures, and ensure the safe and efficient use of eye bolt screws in lifting applications.
Can you describe the proper installation and use of eye bolt screws in different settings?
Proper installation and use of eye bolt screws are essential to ensure their effectiveness, safety, and longevity in various settings. Here are general guidelines for the installation and use of eye bolt screws in different settings:
- Preparation:
- Identify the specific application and determine the load requirements, environmental conditions, and any applicable regulations or standards.
- Select an appropriate eye bolt screw considering factors such as load capacity, material strength, corrosion resistance, and compatibility with the intended application.
- Inspect the eye bolt screw for any defects, damage, or signs of wear before installation. Do not use a damaged or compromised eye bolt screw.
- Installation:
- Pre-drill a hole or use a threaded receptacle of the appropriate size and depth to accommodate the eye bolt screw.
- Screw the threaded end of the eye bolt screw into the pre-drilled hole or threaded receptacle. Ensure that the threads engage smoothly and do not cross-thread.
- Tighten the eye bolt screw using an appropriate tool, such as a wrench or socket. Avoid over-tightening, as it may cause damage to the threads or the attachment point.
- If the eye bolt screw has a shoulder or collar, ensure that it rests securely against the attachment surface for optimal load distribution.
- Load Application:
- Attach the appropriate hardware, such as ropes, cables, or chains, to the eye of the eye bolt screw. Ensure that the hardware is compatible with the size and shape of the eye.
- Inspect the attachment to verify that the hardware is properly secured within the eye and does not show signs of slippage or deformation.
- Apply the load gradually and avoid sudden impacts or jerks that could cause excessive stress on the eye bolt screw or the attachment point.
- Regularly inspect the eye bolt screw and the attachment for signs of wear, deformation, or loosening. If any issues are identified, take appropriate action to address them, such as tightening the eye bolt screw or replacing it if necessary.
- Maintenance and Safety:
- Regularly inspect the eye bolt screw and its attachment for corrosion, wear, or damage. Clean and lubricate the eye bolt screw as needed, following the manufacturer’s recommendations.
- Follow any specific maintenance instructions provided by the manufacturer for the particular type of eye bolt screw and its corresponding application.
- Ensure that the load applied to the eye bolt screw does not exceed its rated capacity. Refer to load charts or consult with engineers or professionals when dealing with higher loads or critical applications.
- Adhere to relevant safety guidelines and regulations specific to the industry or setting in which the eye bolt screw is being used.
It is important to note that these guidelines provide general information for the installation and use of eye bolt screws. However, specific installations may have unique requirements or considerations based on the application and industry standards. Therefore, it is recommended to consult with professionals or experts in the relevant field to ensure proper installation and use of eye bolt screws in specific settings.
editor by CX 2024-03-06
China supplier Fasteners High Strength Swing Eye Bolt Stainless Steel Screw DIN444 with Free Sample
Product Description
Fasteners high strength Swing Eye Bolt Stainless Steel screw DIN444 with free sample
| Standard | DIN444 GB798 |
| Diameter | M5-M30 |
| sample service | Free sample but freight cost is paid by customers(when sample is in stock) sample fee(when samples need to be customized) |
| Material | stainless steel 304,316, 2205,2507 |
| MOQ | 1000 |
| Surface treatment | plain , black oxide |
| Package | Plastic bag, Boxes and cartons, Pallets, Customized |
| Price terms | EXW, FOB, CIF, etc. |
| Payment terms | T/T, Paypal, L/C, Western union, etc. |
| Certifications | ISO 9001 |
| Note | Free Samples could be provided for standard fastener |
We need more detail as follow. This will allow us to give you an accurate quotation.
Before offer the price,get the quote simply by completing and submitting the form below:
• Product: _______
• Measure: _______( Diameter) x_______(Length)
• Order Quantity: _________________pcs
• Surface treatment: _________________
• Material: _________________
• When do you need it by? __________________
• Where to Shipping: _______________ (Country with postal code please)
• Email your drawing ( jpeg, png or pdf, word) with minimum 300 dpi resolution for good clarity.
Products Details
| Mon | M5 | M6 | M8 | M10 | M12 |
| P | 0.8 | 1 | 1.25 | 1.5 | 1.75 |
| d1 max | 5.03 | 6.03 | 8.036 | 10.036 | 12.043 |
| d1 min | 5 | 6 | 8 | 10 | 12 |
| dk max | 12 | 14 | 18 | 20 | 25 |
| dk min | 10.9 | 12.9 | 16.9 | 18.7 | 23.7 |
| s max | 8 | 9 | 11 | 14 | 17 |
| s min | 7.52 | 8.52 | 10.3 | 13.3 | 16.3 |
| Mon | M16 | M20 | M24 | M27 | M30 |
| P | 2 | 2.5 | 3 | 3 | 3.5 |
| d1 max | 16.043 | 18.043 | 22.052 | 25.052 | 28.052 |
| d1 min | 16 | 18 | 22 | 25 | 28 |
| dk max | 32 | 40 | 45 | 50 | 55 |
| dk min | 30.4 | 38.4 | 43.4 | 48.4 | 53.1 |
| s max | 19 | 24 | 28 | 30 | 34 |
| s min | 18.16 | 23.16 | 27.16 | 29.16 | 33 |
Company Profile
Tengri fasteners Group is an OEM Fasteners Manufacturing, Plating/ Finishing and Industrial Production Company. Over 30 years of manufacturing stainless steel fasteners, industry experience and construction of state-of-art facility. We can offer the most common stainless steel fasteners or specially designed fasteners to exceed our customer’s expectations, as our vendors are the best name brands in the industry.
Tengri fasteners group employs more than 3000 employees and consists of 1 lab and software center, 3 wholly owned subsidiary of Factory and 5 warehouse stocking locations. Our extensive products line and our fast and friendly sales representatives are able to satisfy our customer demands.
As a veritable ” one- stop shop“, CHINAMFG Fasteners offers same day delivery of in-stock items and a wide a wide variety of supply chair solutions tailored to the needs of our customers. Our custom inventory control programs provide extensive cost saving to our customers.
Factory Images
Company Certifications
Customers
Our Service
a) Good after-sale service, all questions will be replied within 12 hours.
b) Customized design is available. ODM&OEM are welcomed.
c) We can provide free sample, consumer should pay the freight first.
d) Convenient transportation and fast delivery, all available shipping ways could be applied, by express, air or sea.
e) High quality and most competitive price.
f) Advanced produce and inspecting equipments.
Packaging & Transportation
FAQ
1.Can I order a small list ?
—Of course, you can.
2.What quote do you offer?
—FOB , CIF and others ways according the your needs.
3.How transport?
—Sea Freight, Air Freight and others Express Delivery ways for you.
4.What is the quality of your products guarantee?
—We have passed ISO9001:2015 Quality Management System Certification, CQM Quality Management System Certification and IQNet Quality Management System Certification, If the quality doesn’t accord the standard, you can exchange the goods for free.
5.Do you have after-sales service?
—Certainly,you can contact us at any time. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Material: | Stainless Steel |
|---|---|
| Type: | Round Head |
| Connection: | Common Bolt |
| Head Style: | Round |
| Standard: | DIN, GB |
| Grade: | A2-70 A4-70 |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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Can eye bolt screws be customized for specific load capacities or applications?
Yes, eye bolt screws can be customized to meet specific load capacities or applications. Customization allows for the adaptation of eye bolt screws to suit the unique requirements of different industries, environments, and lifting or rigging operations. Here’s a detailed explanation:
Load Capacity Customization:
Eye bolt screws can be customized to accommodate specific load capacities by adjusting their design and material properties. The load capacity of an eye bolt screw is influenced by factors such as the diameter, thread pitch, material strength, and the mode of loading (tension, shear, or bending). By considering these factors, engineers can tailor the design and specifications of the eye bolt screws to achieve the desired load capacity.
Load capacity customization may involve:
- Choosing Appropriate Materials: Eye bolt screws can be manufactured from a variety of materials, including steel, stainless steel, alloys, or non-metallic composites. The selection of materials with higher tensile strength or specific load-bearing properties can enhance the load capacity of the eye bolt screws.
- Modifying Dimensions: By adjusting the diameter, thread size, or shank length of the eye bolt screws, engineers can optimize their load-carrying capabilities. Increasing the cross-sectional area or altering the thread profile can enhance the strength and load capacity of the screws.
- Consideration of Thread Engagement: The length and depth of engagement between the eye bolt screw and the receiving component can impact the load capacity. Customization may involve ensuring adequate thread engagement to maximize the load-carrying capability and prevent thread stripping or failure.
Application-Specific Customization:
Eye bolt screws can also be customized to suit specific applications or operational requirements. Different industries and applications may have unique needs that require customized eye bolt screws. Some examples of application-specific customization include:
- Coatings and Surface Treatments: Eye bolt screws can be customized with coatings or surface treatments to enhance their performance in specific environments. For instance, coatings like zinc plating, galvanizing, or epoxy coatings can provide corrosion resistance, chemical resistance, or improve friction characteristics.
- Specialized Threads: Certain applications may require specialized thread forms or configurations, such as fine threads, coarse threads, or special thread profiles. Customizing the threading of eye bolt screws can ensure compatibility with specific components or facilitate easier installation or removal.
- Special Features: Eye bolt screws can be customized with special features to meet unique application requirements. This may include the addition of swiveling mechanisms, locking mechanisms, or other attachment points to enhance functionality or ease of use.
By customizing eye bolt screws for specific load capacities or applications, engineers can optimize their performance, safety, and reliability. It is important to work with experienced manufacturers or suppliers who can provide guidance and expertise in customizing eye bolt screws based on the specific requirements of the intended application.
Can you provide examples of machinery or structures that commonly use eye bolt screws?
Eye bolt screws are utilized in a wide range of machinery and structures where a secure and reliable attachment point is required for lifting, suspension, or anchoring purposes. Here are some examples of machinery and structures that commonly use eye bolt screws:
- Cranes and Hoists: Cranes and hoists often incorporate eye bolt screws as attachment points for lifting cables, chains, or slings. Eye bolt screws provide a secure connection between the lifting equipment and the load being lifted, ensuring proper load distribution and stability during lifting operations.
- Material Handling Equipment: Various types of material handling equipment, such as forklifts, pallet jacks, and lifting trolleys, may feature eye bolt screws as part of their design. These eye bolt screws serve as attachment points for hooks, clamps, or other lifting devices, enabling the equipment to safely handle and transport loads.
- Industrial Machinery: Many types of industrial machinery incorporate eye bolt screws for lifting, securing, or anchoring components or subassemblies. Examples include presses, stamping machines, machining centers, and conveyor systems. Eye bolt screws provide a reliable means of attaching equipment or fixtures to the machinery, ensuring stability and safety during operation.
- Marine and Boating Structures: Eye bolt screws are commonly used in marine and boating structures, such as boats, docks, and marinas. They serve as attachment points for ropes, cables, or chains used in mooring, towing, or securing operations. Eye bolt screws with corrosion-resistant materials are especially important in marine environments.
- Stage and Rigging Systems: The entertainment industry often utilizes eye bolt screws in stage and rigging systems. They provide attachment points for suspending lighting fixtures, audio equipment, scenery, and other components. Eye bolt screws enable the safe and precise positioning of equipment during performances or events.
- Building and Construction: Eye bolt screws are commonly used in building and construction applications. They can be embedded or attached to structural elements to create attachment points for lifting, securing, or hanging loads. Eye bolt screws are employed in various construction scenarios, including steel structures, concrete formwork, scaffolding, and temporary installations.
- Transportation and Cargo: Eye bolt screws are utilized in transportation and cargo applications to secure loads during transit. They provide attachment points for ropes, straps, or chains used to secure cargo on trucks, trailers, or shipping containers. Eye bolt screws ensure that the loads remain stable and properly supported during transportation.
These examples illustrate the diverse range of machinery and structures that commonly rely on eye bolt screws for safe and effective lifting, suspension, or anchoring operations. The specific design and application of eye bolt screws may vary depending on the unique requirements of each industry or use case.
What is an eye bolt screw, and how is it used in various applications?
An eye bolt screw is a type of fastener that features a looped or circular end, commonly referred to as an “eye,” which allows for the attachment of cables, ropes, or other hardware. It is designed to provide a secure and reliable point for lifting, hanging, or securing objects in various applications. Here’s an overview of eye bolt screws and their uses in different settings:
An eye bolt screw typically consists of three main components: a threaded shank, a looped eyelet, and a shoulder or collar that provides stability and prevents the bolt from pulling through the attachment point. The threaded shank allows for easy installation by screwing the bolt into a pre-drilled hole or threaded receptacle.
Eye bolt screws find applications across multiple industries and settings, including:
- Lifting and Rigging: One of the primary uses of eye bolt screws is in lifting and rigging operations. They provide a secure anchor point for attaching slings, chains, or cables to lift heavy objects, such as machinery, equipment, or structural components. Eye bolt screws used in lifting applications must be rated for the intended load capacity and comply with applicable safety standards.
- Marine and Boating: Eye bolt screws are commonly used in marine and boating applications. They serve as attachment points for ropes, lines, or cables used in securing sails, rigging, or mooring. Eye bolt screws made from corrosion-resistant materials, such as stainless steel or galvanized steel, are preferred to withstand the harsh marine environment.
- Outdoor and Recreational Activities: Eye bolt screws are utilized in various outdoor and recreational activities. They can be used to create anchor points for hanging swings, hammocks, or zip lines, providing a safe and stable attachment for users. Eye bolt screws are also employed in camping, hiking, and adventure sports for setting up shelters, securing equipment, or establishing temporary structures.
- Construction and Building: In the construction industry, eye bolt screws are used for various purposes. They can be installed in concrete, wood, or steel structures to provide attachment points for hoisting or securing materials during construction or renovation projects. Eye bolt screws are also employed in scaffolding systems, safety harnesses, or fall protection equipment.
- Industrial and Manufacturing: Eye bolt screws find applications in industrial and manufacturing settings. They can be used for hanging fixtures, overhead conveyors, or jigs and fixtures. Eye bolt screws facilitate the safe and efficient movement of materials, components, or workpieces within production lines or assembly processes.
- Transportation and Automotive: Eye bolt screws are utilized in the transportation and automotive industries. They can be used as anchor points for securing cargo, tying down loads in trucks or trailers, or attaching accessories like bike racks or roof boxes. Eye bolt screws designed for automotive applications often feature additional provisions for mounting brackets or hardware.
It is important to choose eye bolt screws that are appropriate for the intended application and meet the necessary load capacity and safety requirements. The installation of eye bolt screws should follow recommended guidelines, including proper torque values, thread engagement, and inspection for any signs of wear or damage over time. Regular maintenance and inspections are necessary to ensure the continued safety and reliability of eye bolt screw installations.
editor by CX 2024-02-24
China supplier Hot Sale 55kw Mute Oil Free Screw Air Compressor extrusion screw shaft
Product Description
Hot sale 55Kw Mute Oil Free Screw Air Compressor
Technical Parameters Of PM Variable speed screw air compressor:
| Model | Work pressure | Capacity | Power | Noise | Inlet and outlet diameters of cooling water | Water inlet & outlet T/H |
Lubricating water L |
Dimensions | Weight | Air outlet diameter
|
| WZS-06PMA | 0.8 | 0.3~0.78 | 5.5 | 57 | 3/4″ | 1.5 | 10 | 800x800x1100 | 460 | 3/4″ |
| 1.0 | 0.2~0.65 | |||||||||
| WZS-08PMA | 0.8 | 0.35~1.17 | 7.5 | 57 | 3/4″ | 2 | 10 | 800x800x1100 | 510 | 3/4″ |
| 1.0 | 0.3~1.05 | |||||||||
| 1.25 | 0.24~0.81 | |||||||||
| WZS-11PMA | 0.8 | 0.54~1.72 | 11 | 60 | 1″ | 2.5 | 26 | 1200x800x1300 | 620 | 3/4″ |
| 1.0 | 0.45~1.42 | |||||||||
| 1.25 | 0.35~1.10 | |||||||||
| WZS-15PMA | 0.8 | 0.75~2.43 | 15 | 60 | 1″ | 3.5 | 26 | 1200x800x1300 | 670 | 1″ |
| 1.0 | 0.65~2.17 | |||||||||
| 1.25 | 0.6~1.85 | |||||||||
| WZS-18PMA | 0.8 | 0.9~3.13 | 18.5 | 63 | 1″ | 4 | 30 | 1400x1000x1520 | 730 | 1″ |
| 1.0 | 0.9~2.82 | |||||||||
| 1.25 | 0.6~2.05 | |||||||||
| WZS-22PMA | 0.8 | 1.1~3.62 | 22 | 63 | 1 1/2″ | 5 | 30 | 1400x1000x1520 | 780 | 1″ |
| 1.0 | 0.97~3.21 | |||||||||
| 1.25 | 0.85~2.78 | |||||||||
| WZS-30PMA | 0.8 | 1.55~5.12 | 30 | 66 | 1 1/2″ | 7 | 40 | 1500x1150x1500 | 1150 | 1 1/2″ |
| 1.0 | 1.255~4.43 | |||||||||
| 1.25 | 1.1~3.63 | |||||||||
| WZS-37PMA | 0.8 | 1.91~6.30 | 37 | 66 | 1 1/2″ | 9 | 40 | 1500x1150x1500 | 1200 | 1 1/2″ |
| 1.0 | 1.60~5.33 | |||||||||
| 1.25 | 1.42~4.77 | |||||||||
| WZS-45PMA | 0.8 | 2.50~8.30 | 45 | 68 | 1 1/2″ | 10 | 90 | 1800x1300x1750 | 1490 | 2″ |
| 1.0 | 1.91~6.30 | |||||||||
| 1.25 | 1.70~5.56 | |||||||||
| WZS-55PMA | 0.8 | 3.0~9.76 | 55 | 69 | 1 1/2″ | 12 | 100 | 1800x1300x1750 | 1570 | 2″ |
| 1.0 | 2.60~8.55 | |||||||||
| 1.25 | 2.30~7.67 | |||||||||
| WZS-75PMA | 0.8 | 3.95~13.00 | 75 | 72 | 1 1/2″ | 18 | 100 | 1800x1300x1750 | 1750 | 2″ |
| 1.0 | 3.40~11.50 | |||||||||
| 1.25 | 3.0~9.70 | |||||||||
| WZS-90PMA | 0.8 | 5.0~16.60 | 90 | 73 | 1 1/2″ | 20 | 120 | 2200x1550x1800 | 2450 | 2 1/2″ |
| 1.0 | 4.30~14.66 | |||||||||
| 1.25 | 3.72~12.60 | |||||||||
| WZS-110PMA | 0.8 | 6.0~19.97 | 110 | 77 | 1 1/2″ | 24 | 120 | 2200x1550x1800 | 2580 | 2 1/2″ |
| 1.0 | 5.0~16.66 | |||||||||
| 1.25 | 4.65~15.56 | |||||||||
| WZS-132PMA | 0.8 | 6.75~22.52 | 132 | 77 | 2″ | 30 | 120 | 2200x1550x1800 | 2700 | 2 1/2″ |
| 1.0 | 6.0~19.97 | |||||||||
| 1.25 | 5.07~16.90 | |||||||||
| WZS-160PMA | 0.8 | 8.5~28.11 | 160 | 79 | 3″ | 35 | 160 | 3000x1800x2100 | 3900 | 3″ |
| 1.0 | 706~25.45 | |||||||||
| 1.25 | 6.7~22.52 | |||||||||
| WZS-185PMA | 0.8 | 10~33.97 | 185 | 79 | 3″ | 38 | 160 | 3000x1800x2100 | 4050 | 3″ |
| 1.0 | 8.72~29.00 | |||||||||
| 1.25 | 7075~25.210 | |||||||||
| WZS-200PMA | 0.8 | 11.2~36.75 | 200 | 80 | 4″ | 42 | 200 | 3100x1850x2100 | 4200 | 4″ |
| 1.0 | 9.68~32.78 | |||||||||
| 1.25 | 9.2~29.24 | |||||||||
| WZS-220PMA | 0.8 | 12.2~39.67 | 220 | 80 | 4″ | 47 | 200 | 3100x1850x2100 | 4400 | 4″ |
| 1.0 | 11.2~36.75 | |||||||||
| 1.25 | 9.0~29.63 | |||||||||
| WZS-250PMA | 0.8 | 13.5~44.78 | 250 | 80 | 4″ | 53 | 200 | 3100x1850x2100 | 4800 | 4″ |
| 1.0 | 12.3~39.67 | |||||||||
| 1.25 | 10.2~33.97 |
Before quotation:
1.Before quoting, what should users offer?
1).Discharge pressure (Bar, Mpa or Psi)
2).Air discharge/Air flow/Air capacity (m3/min or CFM)
3).Power supply (220/380V, 50/60Hz, 3Phase)
2.If I don’t know the pressure and air flow, what should I do?
1).Take the picture of nameplate, we will advise the suitable air compressor to you.
2).Tell us what industry you are, we can advise the suitable 1 (so as to air tank / air dryer / air filters).
High Efficiency PM Motor and Energy Saving
*With the high-performance permanent magnet material, PM motor won’t lose magnetism even under 120°c and can run for more than 15 years.
*No motor bearing: permanent magnet rotors is installed directly on the stretch out shaft of Male rotor. This structure doesn’t have the bearing and eliminates the motor bearing fault.
*Comparing to normal variable speed motor, the permanent magnet synchronous motor performs with even better energy efficiency. Especially in the low-speed condition, it can still maintain a high motor efficiency.
SHIPPING
Delivery: time 5-25 working days after payment receipt confirmed(based on actual quantity)
packing:standard export packing. or customized packing as your
Professional: goods shipping forwarder.
FAQ
Q: OEM/ODM, or customers logo printed is available?
Yes, OEM/ODM, customers logo is welcomed.
Q: Delivery date?
Usually 5-25 workdays after receiving deposit, specific delivery date based on order quantity
Q: what’s your payment terms?
Regularly doing 30% deposit and 70% balance by T/T, Western Union, Paypal, otherpayment terms also can be discussed based on our cooperation.
Q: How to control your quality?
We have professional QC team, control the quality during the mass production and inspectthe completely goods before shipping.
Q: If we don’t have shipping forwarder in China, would you do this for us?
We can offer you best shipping line to ensure you can get the goods timely at best price.
Q: come to China before, can you be my CZPT in China?
We are happy to provide you orservice, such as booking ticket, pick up at the airport, booking hotel, accompany visiting market or factory
Thank you very much for viewing this page, and wish you a nice day!
Contacts:Vicky Liu
Mob: -173-1655-1856
| Lubrication Style: | Oil-free |
|---|---|
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Structure Type: | Closed Type |
| Installation Type: | Stationary Type |
| Customization: |
Available
| Customized Request |
|---|
Lead Screws and Clamp Style Collars
If you have a lead screw, you’re probably interested in learning about the Acme thread on this type of shaft. You might also be interested in finding out about the Clamp style collars and Ball screw nut. But before you buy a new screw, make sure you understand what the terminology means. Here are some examples of screw shafts:
Acme thread
The standard ACME thread on a screw shaft is made of a metal that is resistant to corrosion and wear. It is used in a variety of applications. An Acme thread is available in a variety of sizes and styles. General purpose Acme threads are not designed to handle external radial loads and are supported by a shaft bearing and linear guide. Their design is intended to minimize the risk of flank wedging, which can cause friction forces and wear. The Centralizing Acme thread standard caters to applications without radial support and allows the thread to come into contact before its flanks are exposed to radial loads.
The ACME thread was first developed in 1894 for machine tools. While the acme lead screw is still the most popular screw in the US, European machines use the Trapezoidal Thread (Metric Acme). The acme thread is a stronger and more resilient alternative to square threads. It is also easier to cut than square threads and can be cut by using a single-point threading die.
Similarly to the internal threads, the metric versions of Acme are similar to their American counterparts. The only difference is that the metric threads are generally wider and are used more frequently in industrial settings. However, the metric-based screw threads are more common than their American counterparts worldwide. In addition, the Acme thread on screw shafts is used most often on external gears. But there is still a small minority of screw shafts that are made with a metric thread.
ACME screws provide a variety of advantages to users, including self-lubrication and reduced wear and tear. They are also ideal for vertical applications, where a reduced frictional force is required. In addition, ACME screws are highly resistant to back-drive and minimize the risk of backlash. Furthermore, they can be easily checked with readily available thread gauges. So, if you’re looking for a quality ACME screw for your next industrial project, look no further than ACME.
Lead screw coatings
The properties of lead screw materials affect their efficiency. These materials have high anti-corrosion, thermal resistance, and self-lubrication properties, which eliminates the need for lubrication. These coating materials include polytetrafluoroethylene (PFE), polyether ether ketone (PEK), and Vespel. Other desirable properties include high tensile strength, corrosion resistance, and rigidity.
The most common materials for lead screws are carbon steel, stainless steel, and aluminum. Lead screw coatings can be PTFE-based to withstand harsh environments and remove oil and grease. In addition to preventing corrosion, lead screw coatings improve the life of polymer parts. Lead screw assembly manufacturers offer a variety of customization options for their lead screw, including custom-molded nuts, thread forms, and nut bodies.
Lead screws are typically measured in rpm, or revolutions per minute. The PV curve represents the inverse relationship between contact surface pressure and sliding velocity. This value is affected by the material used in the construction of the screw, lubrication conditions, and end fixity. The critical speed of lead screws is determined by their length and minor diameter. End fixity refers to the support for the screw and affects its rigidity and critical speed.
The primary purpose of lead screws is to enable smooth movement. To achieve this, lead screws are usually preloaded with axial load, enabling consistent contact between a screw’s filets and nuts. Lead screws are often used in linear motion control systems and feature a large area of sliding contact between male and female threads. Lead screws can be manually operated or mortised and are available in a variety of sizes and materials. The materials used for lead screws include stainless steel and bronze, which are often protected by a PTFE type coating.
These screws are made of various materials, including stainless steel, bronze, and various plastics. They are also made to meet specific requirements for environmental conditions. In addition to lead screws, they can be made of stainless steel, aluminum, and carbon steel. Surface coatings can improve the screw’s corrosion resistance, while making it more wear resistant in tough environments. A screw that is coated with PTFE will maintain its anti-corrosion properties even in tough environments.
Clamp style collars
The screw shaft clamp style collar is a basic machine component, which is attached to the shaft via multiple screws. These collars act as mechanical stops, load bearing faces, or load transfer points. Their simple design makes them easy to install. This article will discuss the pros and cons of this style of collar. Let’s look at what you need to know before choosing a screw shaft clamp style collar. Here are some things to keep in mind.
Clamp-style shaft collars are a versatile mounting option for shafts. They have a recessed screw that fully engages the thread for secure locking. Screw shaft clamp collars come in different styles and can be used in both drive and power transmission applications. Listed below are the main differences between these two styles of collars. They are compatible with all types of shafts and are able to handle axial loads of up to 5500 pounds.
Clamp-style shaft collars are designed to prevent the screw from accidentally damaging the shaft when tightened. They can be tightened with a set screw to counteract the initial clamping force and prevent the shaft from coming loose. However, when tightening the screw, you should use a torque wrench. Using a set screw to tighten a screw shaft collar can cause it to warp and reduce the surface area that contacts the shaft.
Another key advantage to Clamp-style shaft collars is that they are easy to install. Clamp-style collars are available in one-piece and two-piece designs. These collars lock around the shaft and are easy to remove and install. They are ideal for virtually any shaft and can be installed without removing any components. This type of collar is also recommended for those who work on machines with sensitive components. However, be aware that the higher the OD, the more difficult it is to install and remove the collar.
Screw shaft clamp style collars are usually one-piece. A two-piece collar is easier to install than a one-piece one. The two-piece collars provide a more effective clamping force, as they use the full seating torque. Two-piece collars have the added benefit of being easy to install because they require no tools to install. You can disassemble one-piece collars before installing a two-piece collar.
Ball screw nut
The proper installation of a ball screw nut requires that the nut be installed on the center of the screw shaft. The return tubes of the ball nut must be oriented upward so that the ball nut will not overtravel. The adjusting nut must be tightened against a spacer or spring washer, then the nut is placed on the screw shaft. The nut should be rotated several times in both directions to ensure that it is centered.
Ball screw nuts are typically manufactured with a wide range of preloads. Large preloads are used to increase the rigidity of a ball screw assembly and prevent backlash, the lost motion caused by a clearance between the ball and nut. Using a large amount of preload can lead to excessive heat generation. The most common preload for ball screw nuts is 1 to 3%. This is usually more than enough to prevent backlash, but a higher preload will increase torque requirements.
The diameter of a ball screw is measured from its center, called the ball circle diameter. This diameter represents the distance a ball will travel during one rotation of the screw shaft. A smaller diameter means that there are fewer balls to carry the load. Larger leads mean longer travels per revolution and higher speeds. However, this type of screw cannot carry a greater load capacity. Increasing the length of the ball nut is not practical, due to manufacturing constraints.
The most important component of a ball screw is a ball bearing. This prevents excessive friction between the ball and the nut, which is common in lead-screw and nut combinations. Some ball screws feature preloaded balls, which avoid “wiggle” between the nut and the ball. This is particularly desirable in applications with rapidly changing loads. When this is not possible, the ball screw will experience significant backlash.
A ball screw nut can be either single or multiple circuits. Single or multiple-circuit ball nuts can be configured with one or two independent closed paths. Multi-circuit ball nuts have two or more circuits, making them more suitable for heavier loads. Depending on the application, a ball screw nut can be used for small clearance assemblies and compact sizes. In some cases, end caps and deflectors may be used to feed the balls back to their original position.
editor by CX 2023-11-13
China Professional Gold Plated Metal Eye Screw with Free Design Custom
Product Description
Product Description:;Eye Screw
| Size | M2,;M3,;M4,;M5,;M6,;M8,;M10,;M12,;.;#4-#12,;1/8-5/8” Non-standard custom made according to drawing or samples |
| Material available | 1.;Stainless Steel:; SS304,; SS316,; SS410 2.;Steel:;C1006,; C1571,;C10B21 |
| Standard | ISO,;GB,;DIN,;JIS,;ANSI,;BSW |
| Style | Pan Head,;Truss Head,;Bind Head,;Flat Head,;Oval Head,;Round Head |
| Lead time | about 10 days after payment confirmed.; |
| Warranty | we confirm our goods will satisfy your request.; |
| Payment terms | T/T,; Western Union,; PayPal etc.; |
1.; Drilling
The Bi-Metal Screws Can Penetrate Into Cooper Plates in 0-12mm directly by using tapping machine and the length of the alloy
steel drilling head also can be designed as different requirement
2.; Tapping
The tapping thread lines in the alloy steel will be more easy to fit the new phatnoma while penetrating into the iron or aluminum
board inside after locate special heat treatment.;
3.; Locking
A2 or A4 stainless steel series strenthen the thread lines by a cold forging treatment during whole process;maintain special corrosion
resistant whithout any heat treatment;screwing in alveolar into fasteners smoothly then finish the fastening combination to achieve excellent
efficacy in resistance to pull out and weatherproof by the way that don’t destroy the thread lines steadily and tightly.;
Application:;
Hot selling metal ring buckle used for the following industry as a great customized,; fashion & high quality accessory:;
A.; Mould
B.; Lamp
C.;Toy
D.;Battery
E.;Car
F.; Gift
G.; Electron
SCREW HEADER SIZE:;
| Head Type | Size(MM); | M2.;0 | M2.;2 | M2.;3 | M2.;5 | M2.;6 | M3.;0 | M3.;5 | M4.;0 | M4.;5 | M5.;0 | M6.;0 | M8.;0 |
| PAN | Mould Diameter | 12 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 14 | 18 | 18 | 23 |
| Head Diameter | 3.;5 | 4.;0 | 4.;0 | 4.;1 | 4.;5 | 5.;5 | 6.;0 | 7.;0 | 8.;0 | 9.;0 | 10.;5 | 14.;0 | |
| Pin Width | 2.;2 | 2.;4 | 2.;4 | 2.;6 | 2.;6 | 3.;6 | 3.;6 | 4.;2 | 4.;6 | 4.;9 | 6.;3 | 7.;7 | |
| TRUSS | Mould Diameter | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 14 | 18 | 18 | 23 | 23 |
| Head Diameter | 4.;5 | 5.;0 | 5.;2 | 5.;7 | 5.;9 | 6.;9 | 8.;1 | 9.;4 | 10.;6 | 11.;8 | 14.;0 | 17.;8 | |
| Pin Width | 2.;2 | 2.;3 | 2.;4 | 2.;5 | 2.;6 | 3.;5 | 4.;0 | 4.;3 | 4.;7 | 5.;0 | 6.;2 | 7.;7 | |
| BIND | Mould Diameter | 12 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 14 | 14 | 18 | 23 |
| Head Diameter | 4.;3 | 4.;7 | 4.;9 | 5.;3 | 5.;5 | 6.;3 | 7.;3 | 8.;3 | 9.;3 | 10.;3 | 12.;4 | 16.;4 | |
| Pin Width | 2.;2 | 2.;3 | 2.;4 | 2.;5 | 2.;6 | 3.;5 | 4.;0 | 4.;3 | 4.;7 | 5.;0 | 6.;2 | 7.;7 | |
| FLAT | Mould Diameter | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 14 | 18 | 18 |
| Head Diameter | 4.;0 | 4.;4 | 4.;6 | 5.;0 | 5.;2 | 6.;0 | 7.;0 | 8.;0 | 9.;0 | 10.;0 | 12.;0 | 16.;0 | |
| Pin Width | 2.;2 | 2.;4 | 2.;4 | 2.;6 | 2.;6 | 3.;6 | 4.;1 | 4.;5 | 4.;9 | 5.;1 | 6.;6 | 8.;3 | |
| OVAL | Mould Diameter | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 18 | 18 | 23 |
| Head Diameter | 4.;0 | 4.;4 | 4.;6 | 5.;0 | 5.;2 | 6.;0 | 7.;0 | 8.;0 | 9.;0 | 10.;0 | 12.;0 | 16.;0 | |
| Pin Width | 2.;4 | 2.;7 | 2.;7 | 2.;9 | 2.;9 | 3.;8 | 4.;3 | 4.;7 | 5.;1 | 5.;3 | 6.;8 | 8.;5 | |
| ROUND | Mould Diameter | 12 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 18 | 18 | 18 | 23 |
| Head Diameter | 3.;5 | 4.;0 | 4.;0 | 4.;5 | 4.;5 | 5.;5 | 6.;0 | 7.;0 | 8.;0 | 9.;0 | 10.;5 | 14.;0 | |
| Pin Width | 2.;1 | 2.;3 | 2.;3 | 2.;5 | 2.;5 | 3.;5 | 3.;8 | 4.;1 | 4.;5 | 4.;8 | 6.;1 | 7.;6 |
Screw Shaft Features Explained
When choosing the screw shaft for your application, you should consider the features of the screws: threads, lead, pitch, helix angle, and more. You may be wondering what these features mean and how they affect the screw’s performance. This article explains the differences between these factors. The following are the features that affect the performance of screws and their properties. You can use these to make an informed decision and purchase the right screw. You can learn more about these features by reading the following articles.
Threads
The major diameter of a screw thread is the larger of the 2 extreme diameters. The major diameter of a screw is also known as the outside diameter. This dimension can’t be directly measured, but can be determined by measuring the distance between adjacent sides of the thread. In addition, the mean area of a screw thread is known as the pitch. The diameter of the thread and pitch line are directly proportional to the overall size of the screw.
The threads are classified by the diameter and pitch. The major diameter of a screw shaft has the largest number of threads; the smaller diameter is called the minor diameter. The thread angle, also known as the helix angle, is measured perpendicular to the axis of the screw. The major diameter is the largest part of the screw; the minor diameter is the lower end of the screw. The thread angle is the half distance between the major and minor diameters. The minor diameter is the outer surface of the screw, while the top surface corresponds to the major diameter.
The pitch is measured at the crest of a thread. In other words, a 16-pitch thread has a diameter of 1 sixteenth of the screw shaft’s diameter. The actual diameter is 0.03125 inches. Moreover, a large number of manufacturers use this measurement to determine the thread pitch. The pitch diameter is a critical factor in successful mating of male and female threads. So, when determining the pitch diameter, you need to check the thread pitch plate of a screw.
Lead
In screw shaft applications, a solid, corrosion-resistant material is an important requirement. Lead screws are a robust choice, which ensure shaft direction accuracy. This material is widely used in lathes and measuring instruments. They have black oxide coatings and are suited for environments where rusting is not acceptable. These screws are also relatively inexpensive. Here are some advantages of lead screws. They are highly durable, cost-effective, and offer high reliability.
A lead screw system may have multiple starts, or threads that run parallel to each other. The lead is the distance the nut travels along the shaft during a single revolution. The smaller the lead, the tighter the thread. The lead can also be expressed as the pitch, which is the distance between adjacent thread crests or troughs. A lead screw has a smaller pitch than a nut, and the smaller the lead, the greater its linear speed.
When choosing lead screws, the critical speed is the maximum number of revolutions per minute. This is determined by the minor diameter of the shaft and its length. The critical speed should never be exceeded or the lead will become distorted or cracked. The recommended operational speed is around 80 percent of the evaluated critical speed. Moreover, the lead screw must be properly aligned to avoid excessive vibrations. In addition, the screw pitch must be within the design tolerance of the shaft.
Pitch
The pitch of a screw shaft can be viewed as the distance between the crest of a thread and the surface where the threads meet. In mathematics, the pitch is equivalent to the length of 1 wavelength. The pitch of a screw shaft also relates to the diameter of the threads. In the following, the pitch of a screw is explained. It is important to note that the pitch of a screw is not a metric measurement. In the following, we will define the 2 terms and discuss how they relate to 1 another.
A screw’s pitch is not the same in all countries. The United Kingdom, Canada, and the United States have standardized screw threads according to the UN system. Therefore, there is a need to specify the pitch of a screw shaft when a screw is being manufactured. The standardization of pitch and diameter has also reduced the cost of screw manufacturing. Nevertheless, screw threads are still expensive. The United Kingdom, Canada, and the United States have introduced a system for the calculation of screw pitch.
The pitch of a lead screw is the same as that of a lead screw. The diameter is 0.25 inches and the circumference is 0.79 inches. When calculating the mechanical advantage of a screw, divide the diameter by its pitch. The larger the pitch, the more threads the screw has, increasing its critical speed and stiffness. The pitch of a screw shaft is also proportional to the number of starts in the shaft.
Helix angle
The helix angle of a screw shaft is the angle formed between the circumference of the cylinder and its helix. Both of these angles must be equal to 90 degrees. The larger the lead angle, the smaller the helix angle. Some reference materials refer to angle B as the helix angle. However, the actual angle is derived from calculating the screw geometry. Read on for more information. Listed below are some of the differences between helix angles and lead angles.
High helix screws have a long lead. This length reduces the number of effective turns of the screw. Because of this, fine pitch screws are usually used for small movements. A typical example is a 16-mm x 5-inch screw. Another example of a fine pitch screw is a 12x2mm screw. It is used for small moves. This type of screw has a lower lead angle than a high-helix screw.
A screw’s helix angle refers to the relative angle of the flight of the helix to the plane of the screw axis. While screw helix angles are not often altered from the standard square pitch, they can have an effect on processing. Changing the helix angle is more common in two-stage screws, special mixing screws, and metering screws. When a screw is designed for this function, it should be able to handle the materials it is made of.
Size
The diameter of a screw is its diameter, measured from the head to the shaft. Screw diameters are standardized by the American Society of Mechanical Engineers. The diameters of screws range from 3/50 inches to 16 inches, and more recently, fractions of an inch have been added. However, shaft diameters may vary depending on the job, so it is important to know the right size for the job. The size chart below shows the common sizes for screws.
Screws are generally referred to by their gauge, which is the major diameter. Screws with a major diameter less than a quarter of an inch are usually labeled as #0 to #14 and larger screws are labeled as sizes in fractions of an inch. There are also decimal equivalents of each screw size. These measurements will help you choose the correct size for your project. The screws with the smaller diameters were not tested.
In the previous section, we described the different shaft sizes and their specifications. These screw sizes are usually indicated by fractions of an inch, followed by a number of threads per inch. For example, a ten-inch screw has a shaft size of 2” with a thread pitch of 1/4″, and it has a diameter of 2 inches. This screw is welded to a two-inch Sch. 40 pipe. Alternatively, it can be welded to a 9-inch O.A.L. pipe.
Shape
Screws come in a wide variety of sizes and shapes, from the size of a quarter to the diameter of a U.S. quarter. Screws’ main function is to hold objects together and to translate torque into linear force. The shape of a screw shaft, if it is round, is the primary characteristic used to define its use. The following chart shows how the screw shaft differs from a quarter:
The shape of a screw shaft is determined by 2 features: its major diameter, or distance from the outer edge of the thread on 1 side to the inner smooth surface of the shaft. These are generally 2 to 16 millimeters in diameter. Screw shafts can have either a fully threaded shank or a half-threaded shank, with the latter providing better stability. Regardless of whether the screw shaft is round or domed, it is important to understand the different characteristics of a screw before attempting to install it into a project.
The screw shaft’s diameter is also important to its application. The ball circle diameter refers to the distance between the center of 2 opposite balls in contact with the grooves. The root diameter, on the other hand, refers to the distance between the bottommost grooves of the screw shaft. These are the 2 main measurements that define the screw’s overall size. Pitch and nominal diameter are important measurements for a screw’s performance in a particular application.
Lubrication
In most cases, lubrication of a screw shaft is accomplished with grease. Grease is made up of mineral or synthetic oil, thickening agent, and additives. The thickening agent can be a variety of different substances, including lithium, bentonite, aluminum, and barium complexes. A common classification for lubricating grease is NLGI Grade. While this may not be necessary when specifying the type of grease to use for a particular application, it is a useful qualitative measure.
When selecting a lubricant for a screw shaft, the operating temperature and the speed of the shaft determine the type of oil to use. Too much oil can result in heat buildup, while too little can lead to excessive wear and friction. The proper lubrication of a screw shaft directly affects the temperature rise of a ball screw, and the life of the assembly. To ensure the proper lubrication, follow the guidelines below.
Ideally, a low lubrication level is appropriate for medium-sized feed stuff factories. High lubrication level is appropriate for larger feed stuff factories. However, in low-speed applications, the lubrication level should be sufficiently high to ensure that the screws run freely. This is the only way to reduce friction and ensure the longest life possible. Lubrication of screw shafts is an important consideration for any screw.
China OEM Inox 18-8 Stainless Steel Snake Eye Spanner Anti-Theft Screw Pig Nose Security Screw with Free Design Custom
Product Description
Inox 18-8 Stainless Steel Snake Eye Spanner Anti-theft Screw
Pig Nose Security Screw
| Material | Stainless Steel |
| Colour | Plain |
| Diameter | M2-M12 |
| Type | Snake Eye;Pig Nose ;Two Holes Security Screw |
| OEM | made in china |
| Bolts | Springs | Socket Screws |
| Insert Nuts | Pins | Rivet Nuts |
| Thumb/Shoulder Screws | Captive Screws | Self Clinching Systems |
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Mold fee is necessary for customized item.
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A: Our product range includes screws, nuts, bolts, washers, spring,rivet, anchor and CNC parts.
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The Four Basic Components of a Screw Shaft
There are 4 basic components of a screw shaft: the Head, the Thread angle, and the Threaded shank. These components determine the length, shape, and quality of a screw. Understanding how these components work together can make purchasing screws easier. This article will cover these important factors and more. Once you know these, you can select the right type of screw for your project. If you need help choosing the correct type of screw, contact a qualified screw dealer.
Thread angle
The angle of a thread on a screw shaft is the difference between the 2 sides of the thread. Threads that are unified have a 60 degree angle. Screws have 2 parts: a major diameter, also known as the screw’s outside diameter, and a minor diameter, or the screw’s root diameter. A screw or nut has a major diameter and a minor diameter. Each has its own angle, but they all have 1 thing in common – the angle of thread is measured perpendicularly to the screw’s axis.
The pitch of a screw depends on the helix angle of the thread. In a single-start screw, the lead is equal to the pitch, and the thread angle of a multiple-start screw is based on the number of starts. Alternatively, you can use a square-threaded screw. Its square thread minimizes the contact surface between the nut and the screw, which improves efficiency and performance. A square thread requires fewer motors to transfer the same load, making it a good choice for heavy-duty applications.
A screw thread has 4 components. First, there is the pitch. This is the distance between the top and bottom surface of a nut. This is the distance the thread travels in a full revolution of the screw. Next, there is the pitch surface, which is the imaginary cylinder formed by the average of the crest and root height of each tooth. Next, there is the pitch angle, which is the angle between the pitch surface and the gear axis.
Head
There are 3 types of head for screws: flat, round, and hexagonal. They are used in industrial applications and have a flat outer face and a conical interior. Some varieties have a tamper-resistant pin in the head. These are usually used in the fabrication of bicycle parts. Some are lightweight, and can be easily carried from 1 place to another. This article will explain what each type of head is used for, and how to choose the right 1 for your screw.
The major diameter is the largest diameter of the thread. This is the distance between the crest and the root of the thread. The minor diameter is the smaller diameter and is the distance between the major and minor diameters. The minor diameter is half the major diameter. The major diameter is the upper surface of the thread. The minor diameter corresponds to the lower extreme of the thread. The thread angle is proportional to the distance between the major and minor diameters.
Lead screws are a more affordable option. They are easier to manufacture and less expensive than ball screws. They are also more efficient in vertical applications and low-speed operations. Some types of lead screws are also self-locking, and have a high coefficient of friction. Lead screws also have fewer parts. These types of screw shafts are available in various sizes and shapes. If you’re wondering which type of head of screw shaft to buy, this article is for you.
Threaded shank
Wood screws are made up of 2 parts: the head and the shank. The shank is not threaded all the way up. It is only partially threaded and contains the drive. This makes them less likely to overheat. Heads on wood screws include Oval, Round, Hex, Modified Truss, and Flat. Some of these are considered the “top” of the screw.
Screws come in many sizes and thread pitches. An M8 screw has a 1.25-mm thread pitch. The pitch indicates the distance between 2 identical threads. A pitch of 1 is greater than the other. The other is smaller and coarse. In most cases, the pitch of a screw is indicated by the letter M followed by the diameter in millimetres. Unless otherwise stated, the pitch of a screw is greater than its diameter.
Generally, the shank diameter is smaller than the head diameter. A nut with a drilled shank is commonly used. Moreover, a cotter pin nut is similar to a castle nut. Internal threads are usually created using a special tap for very hard metals. This tap must be followed by a regular tap. Slotted machine screws are usually sold packaged with nuts. Lastly, studs are often used in automotive and machine applications.
In general, screws with a metric thread are more difficult to install and remove. Fortunately, there are many different types of screw threads, which make replacing screws a breeze. In addition to these different sizes, many of these screws have safety wire holes to keep them from falling. These are just some of the differences between threaded screw and non-threaded. There are many different types of screw threads, and choosing the right 1 will depend on your needs and your budget.
Point
There are 3 types of screw heads with points: cone, oval, and half-dog. Each point is designed for a particular application, which determines its shape and tip. For screw applications, cone, oval, and half-dog points are common. Full dog points are not common, and they are available in a limited number of sizes and lengths. According to ASTM standards, point penetration contributes as much as 15% of the total holding power of the screw, but a cone-shaped point may be more preferred in some circumstances.
There are several types of set screws, each with its own advantage. Flat-head screws reduce indentation and frequent adjustment. Dog-point screws help maintain a secure grip by securing the collar to the screw shaft. Cup-point set screws, on the other hand, provide a slip-resistant connection. The diameter of a cup-point screw is usually half of its shaft diameter. If the screw is too small, it may slack and cause the screw collar to slip.
The UNF series has a larger area for tensile stress than coarse threads and is less prone to stripping. It’s used for external threads, limited engagement, and thinner walls. When using a UNF, always use a standard tap before a specialized tap. For example, a screw with a UNF point is the same size as a type C screw but with a shorter length.
Spacer
A spacer is an insulating material that sits between 2 parts and centers the shaft of a screw or other fastener. Spacers come in different sizes and shapes. Some of them are made of Teflon, which is thin and has a low coefficient of friction. Other materials used for spacers include steel, which is durable and works well in many applications. Plastic spacers are available in various thicknesses, ranging from 4.6 to 8 mm. They’re suitable for mounting gears and other items that require less contact surface.
These devices are used for precision fastening applications and are essential fastener accessories. They create clearance gaps between the 2 joined surfaces or components and enable the screw or bolt to be torqued correctly. Here’s a quick guide to help you choose the right spacer for the job. There are many different spacers available, and you should never be without one. All you need is a little research and common sense. And once you’re satisfied with your purchase, you can make a more informed decision.
A spacer is a component that allows the components to be spaced appropriately along a screw shaft. This tool is used to keep space between 2 objects, such as the spinning wheel and an adjacent metal structure. It also helps ensure that a competition game piece doesn’t rub against an adjacent metal structure. In addition to its common use, spacers can be used in many different situations. The next time you need a spacer, remember to check that the hole in your screw is threaded.
Nut
A nut is a simple device used to secure a screw shaft. The nut is fixed on each end of the screw shaft and rotates along its length. The nut is rotated by a motor, usually a stepper motor, which uses beam coupling to accommodate misalignments in the high-speed movement of the screw. Nuts are used to secure screw shafts to machined parts, and also to mount bearings on adapter sleeves and withdrawal sleeves.
There are several types of nut for screw shafts. Some have radial anti-backlash properties, which prevent unwanted radial clearances. In addition, they are designed to compensate for thread wear. Several nut styles are available, including anti-backlash radial nuts, which have a spring that pushes down on the nut’s flexible fingers. Axial anti-backlash nuts also provide thread-locking properties.
To install a ball nut, you must first align the tangs of the ball and nut. Then, you must place the adjusting nut on the shaft and tighten it against the spacer and spring washer. Then, you need to lubricate the threads, the ball grooves, and the spring washers. Once you’ve installed the nut, you can now install the ball screw assembly.
A nut for screw shaft can be made with either a ball or a socket. These types differ from hex nuts in that they don’t need end support bearings, and are rigidly mounted at the ends. These screws can also have internal cooling mechanisms to improve rigidity. In this way, they are easier to tension than rotating screws. You can also buy hollow stationary screws for rotator nut assemblies. This type is great for applications requiring high heat and wide temperature changes, but you should be sure to follow the manufacturer’s instructions.
China supplier Metal Galvanize Zinc Plated #10 Size Furniture Fitting Open Eye Hook Wood Self Tapping Screw with Free Design Custom
Product Description
Furniture fitting Open Eye Hook Wood Self Tapping Screw
| Standard | Eye hook screw |
| Inside Diameter | 1#-14# |
| Material | SS304,SS316,SS2205,SS2507,SS410,Cooper, |
| MOQ | 1000 pieces |
| Surface treatment | Hot Galvanized,Black,Color-zinc,Blue white zinc |
| Package | Plastic bag, Boxes and cartons, Pallets, Customized |
| Price terms | EXW, FOB, CIF, etc. |
| Payment terms | T/T, Paypal, L/C, Western union, etc. |
| Certifications | ISO 9001:2015 |
| Note | Free samples but freight cost is paid by customers(when sample is in stock) Sample fee (when samples need to be customized) |
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Eye hook screw:
Heavy Duty: Designed for heavy-duty applications, this screweye can hold items weighing up to 250-290 pounds.It can be used with stainless steel suspension turnbuckle kits and screwed into walls, wood, drywall, PVC and other places to hang heavy objects.Suitable for wall art, ring lights, string lights, ladder hooks, hammocks, jewelry racks, jewelry hooks, wire baskets, etc.
High Quality – These eye screws are made of T316 stainless steel for excellent rust, water and corrosion resistance.Ideal for indoor and outdoor use.
Wide-use – These screw holes are widely used to attach wires and cables to wood and concrete surfaces to hang items.Ideal for hanging objects, accessories and lightweight items in offices, gardens, kitchens, houses, indoor and outdoor areas.
Easy to install: stainless steel points are easy to screw into wood, concrete and PVC without flaking.Widely used in domestic and industrial applications.
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Tengri fasteners Group is an OEM Fasteners Manufacturing, Plating/ Finishing and Industrial Production Company. Over 30 years of manufacturing stainless steel fasteners, industry experience and construction of state-of-art facility. We can offer the most common stainless steel fasteners or specially designed fasteners to exceed our customer’s expectations, as our vendors are the best name brands in the industry.
Tengri fasteners group employs more than 3000 employees and consists of 1 lab and software center, 3 wholly owned subsidiary of Factory and 5 warehouse stocking locations. Our extensive products line and our fast and friendly sales representatives are CZPT to satisfy our customer demands.
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Types of Screw Shafts
Screw shafts come in various types and sizes. These types include fully threaded, Lead, and Acme screws. Let’s explore these types in more detail. What type of screw shaft do you need? Which 1 is the best choice for your project? Here are some tips to choose the right screw:
Machined screw shaft
The screw shaft is a basic piece of machinery, but it can be further customized depending on the needs of the customer. Its features include high-precision threads and ridges. Machined screw shafts are generally manufactured using high-precision CNC machines or lathes. The types of screw shafts available vary in shape, size, and material. Different materials are suitable for different applications. This article will provide you with some examples of different types of screw shafts.
Ball screws are used for a variety of applications, including mounting machines, liquid crystal devices, measuring devices, and food and medical equipment. Various shapes are available, including miniature ball screws and nut brackets. They are also available without keyway. These components form a high-accuracy feed mechanism. Machined screw shafts are also available with various types of threaded ends for ease of assembly. The screw shaft is an integral part of linear motion systems.
When you need a machined screw shaft, you need to know the size of the threads. For smaller machine screws, you will need a mating part. For smaller screw sizes, the numbers will be denominated as industry Numeric Sizes. These denominations are not metric, but rather in mm, and they may not have a threads-per-inch designation. Similarly, larger machine screws will usually have threads that have a higher pitch than those with a lower pitch.
Another important feature of machine screws is that they have a thread on the entire shaft, unlike their normal counterparts. These machine screws have finer threads and are intended to be screwed into existing tapped holes using a nut. This means that these screws are generally stronger than other fasteners. They are usually used to hold together electronic components, industrial equipment, and engines. In addition to this, machine screws are usually made of a variety of materials.
Acme screw
An Acme screw is the most common type of threaded shaft available. It is available in a variety of materials including stainless steel and carbon steel. In many applications, it is used for large plates in crushing processes. ACME screws are self-locking and are ideal for applications requiring high clamping force and low friction. They also feature a variety of standard thread forms, including knurling and rolled worms.
Acme screws are available in a wide range of sizes, from 1/8″ to 6″. The diameter is measured from the outside of the screw to the bottom of the thread. The pitch is equal to the lead in a single start screw. The lead is equal to the pitch plus the number of starts. A screw of either type has a standard pitch and a lead. Acme screws are manufactured to be accurate and durable. They are also widely available in a wide range of materials and can be customized to fit your needs.
Another type of Acme screw is the ball screw. These have no back drive and are widely used in many applications. Aside from being lightweight, they are also able to move at faster speeds. A ball screw is similar to an Acme screw, but has a different shape. A ball screw is usually longer than an Acme screw. The ball screw is used for applications that require high linear speeds. An Acme screw is a common choice for many industries.
There are many factors that affect the speed and resolution of linear motion systems. For example, the nut position and the distance the screw travels can all affect the resolution. The total length of travel, the speed, and the duty cycle are all important. The lead size will affect the maximum linear speed and force output. If the screw is long, the greater the lead size, the higher the resolution. If the lead length is short, this may not be the most efficient option.
Lead screw
A lead screw is a threaded mechanical device. A lead screw consists of a cylindrical shaft, which includes a shallow thread portion and a tightly wound spring wire. This spring wire forms smooth, hard-spaced thread convolutions and provides wear-resistant engagement with the nut member. The wire’s leading and trailing ends are anchored to the shaft by means appropriate to the shaft’s composition. The screw is preferably made of stainless steel.
When selecting a lead screw, 1 should first determine its critical speed. The critical speed is the maximum rotations per minute based on the natural frequency of the screw. Excessive backlash will damage the lead screw. The maximum number of revolutions per minute depends on the screw’s minor diameter, length, assembly alignment, and end fixity. Ideally, the critical speed is 80% of its evaluated critical speed. A critical speed is not exceeded because excessive backlash would damage the lead screw and may be detrimental to the screw’s performance.
The PV curve defines the safe operating limits of a lead screw. This relationship describes the inverse relationship between contact surface pressure and sliding velocity. As the PV value increases, a lower rotation speed is required for heavier axial loads. Moreover, PV is affected by material and lubrication conditions. Besides, end fixity, which refers to the way the lead screw is supported, also affects its critical speed. Fixed-fixed and free end fixity are both possible.
Lead screws are widely used in industries and everyday appliances. In fact, they are used in robotics, lifting equipment, and industrial machinery. High-precision lead screws are widely used in the fields of engraving, fluid handling, data storage, and rapid prototyping. Moreover, they are also used in 3D printing and rapid prototyping. Lastly, lead screws are used in a wide range of applications, from measuring to assembly.
Fully threaded screw
A fully threaded screw shaft can be found in many applications. Threading is an important feature of screw systems and components. Screws with threaded shafts are often used to fix pieces of machinery together. Having fully threaded screw shafts ensures that screws can be installed without removing the nut or shaft. There are 2 major types of screw threads: coarse and fine. When it comes to coarse threads, UTS is the most common type, followed by BSP.
In the 1840s, a British engineer named Joseph Whitworth created a design that was widely used for screw threads. This design later became the British Standard Whitworth. This standard was used for screw threads in the United States during the 1840s and 1860s. But as screw threads evolved and international standards were established, this system remained largely unaltered. A new design proposed in 1864 by William Sellers improved upon Whitworth’s screw threads and simplified the pitch and surface finish.
Another reason for using fully threaded screws is their ability to reduce heat. When screw shafts are partially threaded, the bone grows up to the screw shaft and causes the cavity to be too narrow to remove it. Consequently, the screw is not capable of backing out. Therefore, fully threaded screws are the preferred choice for inter-fragmentary compression in children’s fractures. However, surgeons should know the potential complication when removing metalwork.
The full thread depth of a fully threaded screw is the distance at which a male thread can freely thread into the shaft. This dimension is typically 1 millimeter shy of the total depth of the drilled hole. This provides space for tap lead and chips. The full-thread depth also makes fully threaded screws ideal for axially-loaded connections. It is also suitable for retrofitting applications. For example, fully threaded screws are commonly used to connect 2 elements.
Ball screw
The basic static load rating of a ball screw is determined by the product of the maximum axial static load and the safety factor “s0”. This factor is determined by past experience in similar applications and should be selected according to the design requirements of the application. The basic static load rating is a good guideline for selecting a ball screw. There are several advantages to using a ball screw for a particular application. The following are some of the most common factors to consider when selecting a ball screw.
The critical speed limit of a ball screw is dependent on several factors. First of all, the critical speed depends on the mass, length and diameter of the shaft. Second, the deflection of the shaft and the type of end bearings determine the critical speed. Finally, the unsupported length is determined by the distance between the ball nut and end screw, which is also the distance between bearings. Generally, a ball screw with a diameter greater than 1.2 mm has a critical speed limit of 200 rpm.
The first step in manufacturing a high-quality ball screw is the choice of the right steel. While the steel used for manufacturing a ball screw has many advantages, its inherent quality is often compromised by microscopic inclusions. These microscopic inclusions may eventually lead to crack propagation, surface fatigue, and other problems. Fortunately, the technology used in steel production has advanced, making it possible to reduce the inclusion size to a minimum. However, higher-quality steels can be expensive. The best material for a ball screw is vacuum-degassed pure alloy steel.
The lead of a ball screw shaft is also an important factor to consider. The lead is the linear distance between the ball and the screw shaft. The lead can increase the amount of space between the balls and the screws. In turn, the lead increases the speed of a screw. If the lead of a ball screw is increased, it may increase its accuracy. If not, the lead of a ball screw can be improved through preloading, lubrication, and better mounting accuracy.
China high quality Ss A2 Eye Screw with Free Design Custom
Product Description
SS A2 Eye screw
Name A2 Eye screw
Place of O rigin ZHangZhoug, China
Grade SS316.SS304,B7,B7M,B8,B8Metc.
Standards GB, DIN, ISO, ANSI/ASTM, B7, BS, JIS etc
Material stainless steel,Carbon Steel
Surface Plain, Polishing ,Black, Passivation,
Delivery Within 15-30 days after confirm the order.
Package Standard export packing or according to customers’ requirement
Payment L/C or T/T (30% in advance and 70% against the copy of BL)
Non-standards OEM is available if you provide a drawing or sample.
Samples Samples are free.
Website goshenmedical
Screw Shaft Types and Uses
Various uses for the screw shaft are numerous. Its major diameter is the most significant characteristic, while other aspects include material and function are important. Let us explore these topics in more detail. There are many different types of screw shafts, which include bronze, brass, titanium, and stainless steel. Read on to learn about the most common types. Listed below are some of the most common uses for a screw shaft. These include: C-clamps, screw jacks, vises, and more.
Major diameter of a screw shaft
A screw’s major diameter is measured in fractions of an inch. This measurement is commonly found on the screw label. A screw with a major diameter less than 1/4″ is labeled #0 to #14; those with a larger diameter are labeled fractions of an inch in a corresponding decimal scale. The length of a screw, also known as the shaft, is another measure used for the screw.
The major diameter of a screw shaft is the greater of its 2 outer diameters. When determining the major diameter of a screw, use a caliper, micrometer, or steel rule to make an accurate measurement. Generally, the first number in the thread designation refers to the major diameter. Therefore, if a screw has a thread of 1/2-10 Acme, the major diameter of the thread is.500 inches. The major diameter of the screw shaft will be smaller or larger than the original diameter, so it’s a good idea to measure the section of the screw that’s least used.
Another important measurement is the pitch. This measures the distance between 1 thread’s tip and the next thread’s corresponding point. Pitch is an important measurement because it refers to the distance a screw will advance in 1 turn. While lead and pitch are 2 separate concepts, they are often used interchangeably. As such, it’s important to know how to use them properly. This will make it easier to understand how to select the correct screw.
There are 3 different types of threads. The UTS and ISO metric threads are similar, but their common values for Dmaj and Pmaj are different. A screw’s major diameter is the largest diameter, while the minor diameter is the lowest. A nut’s major diameter, or the minor diameter, is also called the nut’s inside diameter. A bolt’s major diameter and minor diameter are measured with go/no-go gauges or by using an optical comparator.
The British Association and American Society of Mechanical Engineers standardized screw threads in the 1840s. A standard named “British Standard Whitworth” became a common standard for screw threads in the United States through the 1860s. In 1864, William Sellers proposed a new standard that simplified the Whitworth thread and had a 55 degree angle at the tip. Both standards were widely accepted. The major diameter of a screw shaft can vary from 1 manufacturer to another, so it’s important to know what size screw you’re looking for.
In addition to the thread angle, a screw’s major diameter determines the features it has and how it should be used. A screw’s point, or “thread”, is usually spiky and used to drill into an object. A flat tipped screw, on the other hand, is flat and requires a pre-drilled hole for installation. Finally, the diameter of a screw bolt is determined by the major and minor diameters.
Material of a screw shaft
A screw shaft is a piece of machine equipment used to move raw materials. The screw shaft typically comprises a raw material w. For a particular screw to function correctly, the raw material must be sized properly. In general, screw shafts should have an axial-direction length L equal to the moving amount k per 1/2 rotation of the screw. The screw shaft must also have a proper contact angle ph1 in order to prevent raw material from penetrating the screw shaft.
The material used for the shaft depends on its application. A screw with a ball bearing will work better with a steel shaft than 1 made of aluminum. Aluminum screw shafts are the most commonly used for this application. Other materials include titanium. Some manufacturers also prefer stainless steel. However, if you want a screw with a more modern appearance, a titanium shaft is the way to go. In addition to that, screws with a chromium finish have better wear resistance.
The material of a screw shaft is important for a variety of applications. It needs to have high precision threads and ridges to perform its function. Manufacturers often use high-precision CNC machines and lathes to create screw shafts. Different screw shafts can have varying sizes and shapes, and each 1 will have different applications. Listed below are the different materials used for screw shafts. If you’re looking for a high-quality screw shaft, you should shop around.
A lead screw has an inverse relationship between contact surface pressure and sliding velocity. For heavier axial loads, a reduced rotation speed is needed. This curve will vary depending on the material used for the screw shaft and its lubrication conditions. Another important factor is end fixity. The material of a screw shaft can be either fixed or free, so make sure to consider this factor when choosing the material of your screw. The latter can also influence the critical speed and rigidity of the screw.
A screw shaft’s major diameter is the distance between the outer edge of the thread and the inner smooth part. Screw shafts are typically between 2 and 16 millimeters in diameter. They feature a cylindrical shape, a pointy tip, and a wider head and drive than the former. There are 2 basic types of screw heads: threaded and non-threaded. These have different properties and purposes.
Lead screws are a cost-effective alternative to ball screws, and are used for low power and light to medium-duty applications. They offer some advantages, but are not recommended for continuous power transmission. But lead screws are often quieter and smaller, which make them useful for many applications. Besides, they are often used in a kinematic pair with a nut object. They are also used to position objects.
Function of a screw shaft
When choosing a screw for a linear motion system, there are many factors that should be considered, such as the position of the actuator and the screw and nut selection. Other considerations include the overall length of travel, the fastest move profile, the duty cycle, and the repeatability of the system. As a result, screw technology plays a critical role in the overall performance of a system. Here are the key factors to consider when choosing a screw.
Screws are designed with an external threading that digs out material from a surface or object. Not all screw shafts have complete threading, however. These are known as partially threaded screws. Fully threaded screws feature complete external threading on the shaft and a pointed tip. In addition to their use as fasteners, they can be used to secure and tighten many different types of objects and appliances.
Another factor to consider is axial force. The higher the force, the bigger the screw needs to be. Moreover, screws are similar to columns that are subject to both tension and compression loads. During the compression load, bowing or deflection is not desirable, so the integrity of the screw is important. So, consider the design considerations of your screw shaft and choose accordingly. You can also increase the torque by using different shaft sizes.
Shaft collars are also an important consideration. These are used to secure and position components on the shaft. They also act as stroke limiters and to retain sprocket hubs, bearings, and shaft protectors. They are available in several different styles. In addition to single and double split shaft collars, they can be threaded or set screw. To ensure that a screw collar will fit tightly to the shaft, the cap must not be overtightened.
Screws can be cylindrical or conical and vary in length and diameter. They feature a thread that mates with a complementary helix in the material being screwed into. A self-tapping screw will create a complementary helix during driving, creating a complementary helix that allows the screw to work with the material. A screw head is also an essential part of a screw, providing gripping power and compression to the screw.
A screw’s pitch and lead are also important parameters to consider. The pitch of the screw is the distance between the crests of the threads, which increases mechanical advantage. If the pitch is too small, vibrations will occur. If the pitch is too small, the screw may cause excessive wear and tear on the machine and void its intended purpose. The screw will be useless if it can’t be adjusted. And if it can’t fit a shaft with the required diameter, then it isn’t a good choice.
Despite being the most common type, there are various types of screws that differ in their functions. For example, a machine screw has a round head, while a truss head has a lower-profile dome. An oval-its point screw is a good choice for situations where the screw needs to be adjusted frequently. Another type is a soft nylon tip, which looks like a Half-dog point. It is used to grip textured or curved surfaces.
China Good quality Furniture Fitting Carbon Steel Zinc Plated 1/2″-2″ Size Lifting Eye Hook Screw with Color Coated with Free Design Custom
Product Description
Hardware Cup Hooks Screw Wood Eye Hooks Screw With Brass
| Standard | Eye hook screw with Zinc plated Lag eye screws |
| Inside Diameter | 1/2″-2″ |
| Material | SS304,SS316,SS2205,SS2507,SS410 |
| MOQ | 1000 pieces |
| Surface treatment | Hot Galvanized,Black,Color-zinc,Blue white zinc |
| Package | Plastic bag, Boxes and cartons, Pallets, Customized |
| Price terms | EXW, FOB, CIF, etc. |
| Payment terms | T/T, Paypal, L/C, Western union, etc. |
| Certifications | ISO 9001:2015 |
| Note | Free samples but freight cost is paid by customers(when sample is in stock) Sample fee (when samples need to be customized) |
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Company Profile
Tengri fasteners Group is an OEM Fasteners Manufacturing, Plating/ Finishing and Industrial Production Company. Over 30 years of manufacturing stainless steel fasteners, industry experience and construction of state-of-art facility. We can offer the most common stainless steel fasteners or specially designed fasteners to exceed our customer’s expectations, as our vendors are the best name brands in the industry.
Tengri fasteners group employs more than 3000 employees and consists of 1 lab and software center, 3 wholly owned subsidiary of Factory and 5 warehouse stocking locations. Our extensive products line and our fast and friendly sales representatives are CZPT to satisfy our customer demands.
As a veritable “one- stop shop“, CZPT Fasteners offers same day delivery of in-stock items and a wide a wide variety of supply chair solutions tailored to the needs of our customers. Our custom inventory control programs provide extensive cost saving to our customers.
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Screws and Screw Shafts
A screw is a mechanical device that holds objects together. Screws are usually forged or machined. They are also used in screw jacks and press-fitted vises. Their self-locking properties make them a popular choice in many different industries. Here are some of the benefits of screws and how they work. Also read about their self-locking properties. The following information will help you choose the right screw for your application.
Machined screw shaft
A machined screw shaft can be made of various materials, depending on the application. Screw shafts can be made from stainless steel, brass, bronze, titanium, or iron. Most manufacturers use high-precision CNC machines or lathes to manufacture these products. These products come in many sizes and shapes, and they have varying applications. Different materials are used for different sizes and shapes. Here are some examples of what you can use these screws for:
Screws are widely used in many applications. One of the most common uses is in holding objects together. This type of fastener is used in screw jacks, vises, and screw presses. The thread pitch of a screw can vary. Generally, a smaller pitch results in greater mechanical advantage. Hence, a machined screw shaft should be sized appropriately. This ensures that your product will last for a long time.
A machined screw shaft should be compatible with various threading systems. In general, the ASME system is used for threaded parts. The threaded hole occupies most of the shaft. The thread of the bolt occupy either part of the shaft, or the entire one. There are also alternatives to bolts, including riveting, rolling pins, and pinned shafts. These alternatives are not widely used today, but they are useful for certain niche applications.
If you are using a ball screw, you can choose to anneal the screw shaft. To anneal the screw shaft, use a water-soaked rag as a heat barrier. You can choose from 2 different options, depending on your application. One option is to cover the screw shaft with a dust-proof enclosure. Alternatively, you can install a protective heat barrier over the screw shaft. You can also choose to cover the screw shaft with a dust-proof machine.
If you need a smaller size, you can choose a smaller screw. It may be smaller than a quarter of an inch, but it may still be compatible with another part. The smaller ones, however, will often have a corresponding mating part. These parts are typically denominated by their ANSI numerical size designation, which does not indicate threads-per-inch. There is an industry standard for screw sizes that is a little easier to understand.
Ball screw nut
When choosing a Ball screw nut for a screw shaft, it is important to consider the critical speed of the machine. This value excites the natural frequency of a screw and determines how fast it can be turned. In other words, it varies with the screw diameter and unsupported length. It also depends on the screw shaft’s diameter and end fixity. Depending on the application, the nut can be run at a maximum speed of about 80% of its theoretical critical speed.
The inner return of a ball nut is a cross-over deflector that forces the balls to climb over the crest of the screw. In 1 revolution of the screw, a ball will cross over the nut crest to return to the screw. Similarly, the outer circuit is a circular shape. Both flanges have 1 contact point on the ball shaft, and the nut is connected to the screw shaft by a screw.
The accuracy of ball screws depends on several factors, including the manufacturing precision of the ball grooves, the compactness of the assembly, and the set-up precision of the nut. Depending on the application, the lead accuracy of a ball screw nut may vary significantly. To improve lead accuracy, preloading, and lubrication are important. Ewellix ball screw assembly specialists can help you determine the best option for your application.
A ball screw nut should be preloaded prior to installation in order to achieve the expected service life. The smallest amount of preload required can reduce a ball screw’s calculated life by as much as 90 percent. Using a lubricant of a standard grade is recommended. Some lubricants contain additives. Using grease or oil in place of oil can prolong the life of the screw.
A ball screw nut is a type of threaded nut that is used in a number of different applications. It works similar to a ball bearing in that it contains hardened steel balls that move along a series of inclined races. When choosing a ball screw nut, engineers should consider the following factors: speed, life span, mounting, and lubrication. In addition, there are other considerations, such as the environment in which the screw is used.
Self-locking property of screw shaft
A self-locking screw is 1 that is capable of rotating without the use of a lock washer or bolt. This property is dependent on a number of factors, but 1 of them is the pitch angle of the thread. A screw with a small pitch angle is less likely to self-lock, while a large pitch angle is more likely to spontaneously rotate. The limiting angle of a self-locking thread can be calculated by calculating the torque Mkdw at which the screw is first released.
The pitch angle of the screw’s threads and its coefficient of friction determine the self-locking function of the screw. Other factors that affect its self-locking function include environmental conditions, high or low temperature, and vibration. Self-locking screws are often used in single-line applications and are limited by the size of their pitch. Therefore, the self-locking property of the screw shaft depends on the specific application.
The self-locking feature of a screw is an important factor. If a screw is not in a state of motion, it can be a dangerous or unusable machine. The self-locking property of a screw is critical in many applications, from corkscrews to threaded pipe joints. Screws are also used as power linkages, although their use is rarely necessary for high-power operations. In the archimedes’ screw, for example, the blades of the screw rotate around an axis. A screw conveyor uses a rotating helical chamber to move materials. A micrometer uses a precision-calibrated screw to measure length.
Self-locking screws are commonly used in lead screw technology. Their pitch and coefficient of friction are important factors in determining the self-locking property of screws. This property is advantageous in many applications because it eliminates the need for a costly brake. Its self-locking property means that the screw will be secure without requiring a special kind of force or torque. There are many other factors that contribute to the self-locking property of a screw, but this is the most common factor.
Screws with right-hand threads have threads that angle up to the right. The opposite is true for left-hand screws. While turning a screw counter-clockwise will loosen it, a right-handed person will use a right-handed thumb-up to turn it. Similarly, a left-handed person will use their thumb to turn a screw counter-clockwise. And vice versa.
Materials used to manufacture screw shaft
Many materials are commonly used to manufacture screw shafts. The most common are steel, stainless steel, brass, bronze, and titanium. These materials have advantages and disadvantages that make them good candidates for screw production. Some screw types are also made of copper to fight corrosion and ensure durability over time. Other materials include nylon, Teflon, and aluminum. Brass screws are lightweight and have aesthetic appeal. The choice of material for a screw shaft depends on the use it will be made for.
Shafts are typically produced using 3 steps. Screws are manufactured from large coils, wire, or round bar stock. After these are produced, the blanks are cut to the appropriate length and cold headed. This cold working process pressudes features into the screw head. More complicated screw shapes may require 2 heading processes to achieve the desired shape. The process is very precise and accurate, so it is an ideal choice for screw manufacturing.
The type of material used to manufacture a screw shaft is crucial for the function it will serve. The type of material chosen will depend on where the screw is being used. If the screw is for an indoor project, you can opt for a cheaper, low-tech screw. But if the screw is for an outdoor project, you’ll need to use a specific type of screw. This is because outdoor screws will be exposed to humidity and temperature changes. Some screws may even be coated with a protective coating to protect them from the elements.
Screws can also be self-threading and self-tapping. The self-threading or self-tapping screw creates a complementary helix within the material. Other screws are made with a thread which cuts into the material it fastens. Other types of screws create a helical groove on softer material to provide compression. The most common uses of a screw include holding 2 components together.
There are many types of bolts available. Some are more expensive than others, but they are generally more resistant to corrosion. They can also be made from stainless steel or aluminum. But they require high-strength materials. If you’re wondering what screws are, consider this article. There are tons of options available for screw shaft manufacturing. You’ll be surprised how versatile they can be! The choice is yours, and you can be confident that you’ll find the screw shaft that will best fit your application.
China Best Sales China Supplier Screws China Supplier Steel Zinc Eye Lag Screw with Free Design Custom
Product Description
Eye Wood Screw
| Standard: | ASME/ANSI B 18.2.1,IFI149,DIN931,DIN933,DIN558, DIN601,DIN960, DIN961, ISO4014,ISO4017 |
| Diameter: | 1/4″-2 1/2″,M4-M64 |
| Length: | ≤800mm or 30″ |
| Material: | Carbon Steel, Alloy Steel, Stainless Steel, Brass |
| Grade: | SAE J429 Gr.2, 5,8; ASTM A307Gr.A, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9;A2-70,A4-70,A4-80 |
| Thread: | M,UNC,UNF |
| Finish: | Plain,Black oxide, Zinc Plated(Clear/Blue/Yellow/Black), H.D.G, Nickel, Chrome,PTFE,Dacromet,Geomet,Magni,Zinc Nickel,Zinteck. |
| Packing: | bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand |
| Application: | Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating |
| Equipment: | Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecter, Spectrometer |
| Supply Ability: | 1000 tons per month |
| minimum order: | according to customer demand |
| Trade Term: | FOB/CIF/CFR/CNF/EXW/DDU/DDP |
| Payment: | T/T, L/C, D/A , D/P ,West Union,Paypal.etc |
| Market: | Europe/South&north America/East&South East Asia/Middle East/Australia and etc. |
| Professional: | More than 10 years of experience in the fasteners industry Our Main market is North&South America and proficient in DIN/ASME/ASTM/IFI standard. |
| Our advantage: | One-stop shopping; High quality; Competitive price; Timely delivery; Technical support; Supply Material and Test Reports; Samples for free |
| Notice: | Please let’s know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us |
ZheJiang G&T Industry Co., Ltd. is a manufacturer of all standard DIN, BS,JIS and ISO fasteners and other industrial parts with well-equipped testing facilities and strong technical force.
With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in Mold, Electricity, Construction, Solar energy, Automotive, Machinery & Equipment and other industries.
Q1: Why choose us?
To provide our customers with first-class services in the supply of quality fasteners minimizing costs.
1.1. Vision: We wishes to build successful relations with our partners and be their first choice as an fasteners supplier.
1.2. Mission: professional customer service, and innovation in technology.
Further more, we do not only offer you fasteners with more reasonable quality and price than your expectations, but also would like to be your friend and to provide you market sales suggestion for your reference, if you have a better idea , please feel free to share with us.
Q2.How is quality ensured?
All our processes strictly adhere to ISO9001:2008 procedures. We have strict quality control from producing to delivery.Our company had strong technology support, We have cultivated a group of managers who are familiar with product quality , good at modern concept of management.
Q3:If you can not find on our website the product you need how to do?
You can send the pictures/photos and drawings of the products you need by email , we will check if we have them. We develop new models every month, Or you can send us samples by DHL/TNT, then we can develop the new model especially for you.
Q4:Can You Strictly Follow The Tolerance on The Drawing And Meet The High Precision?
Yes, we can, we can provide high precision parts and make the parts as your drawing.
Q5: How should I order and make payment?
By T/T, for samples 100% with the order; for production, 30% paid for deposit by T/T before production arrangement, the balance to be paid before shipment.
Q6: What’s your Delivery Time?
Standard parts: 7-15days
Non-standard parts: 15-25days
We will make the delivery as soon as possible with the guarantee quality.
Q7:How to Custom-made (OEM/ODM)
If you have a new product drawing or a sample, please send to us, and we can custom-made the hardware as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.
Q8:Which mode of transport would be better?
In general, the production are heavy, we advice to make delivery by sea, Also we respect your views of other transportation as well.
The Four Basic Components of a Screw Shaft
There are 4 basic components of a screw shaft: the Head, the Thread angle, and the Threaded shank. These components determine the length, shape, and quality of a screw. Understanding how these components work together can make purchasing screws easier. This article will cover these important factors and more. Once you know these, you can select the right type of screw for your project. If you need help choosing the correct type of screw, contact a qualified screw dealer.
Thread angle
The angle of a thread on a screw shaft is the difference between the 2 sides of the thread. Threads that are unified have a 60 degree angle. Screws have 2 parts: a major diameter, also known as the screw’s outside diameter, and a minor diameter, or the screw’s root diameter. A screw or nut has a major diameter and a minor diameter. Each has its own angle, but they all have 1 thing in common – the angle of thread is measured perpendicularly to the screw’s axis.
The pitch of a screw depends on the helix angle of the thread. In a single-start screw, the lead is equal to the pitch, and the thread angle of a multiple-start screw is based on the number of starts. Alternatively, you can use a square-threaded screw. Its square thread minimizes the contact surface between the nut and the screw, which improves efficiency and performance. A square thread requires fewer motors to transfer the same load, making it a good choice for heavy-duty applications.
A screw thread has 4 components. First, there is the pitch. This is the distance between the top and bottom surface of a nut. This is the distance the thread travels in a full revolution of the screw. Next, there is the pitch surface, which is the imaginary cylinder formed by the average of the crest and root height of each tooth. Next, there is the pitch angle, which is the angle between the pitch surface and the gear axis.
Head
There are 3 types of head for screws: flat, round, and hexagonal. They are used in industrial applications and have a flat outer face and a conical interior. Some varieties have a tamper-resistant pin in the head. These are usually used in the fabrication of bicycle parts. Some are lightweight, and can be easily carried from 1 place to another. This article will explain what each type of head is used for, and how to choose the right 1 for your screw.
The major diameter is the largest diameter of the thread. This is the distance between the crest and the root of the thread. The minor diameter is the smaller diameter and is the distance between the major and minor diameters. The minor diameter is half the major diameter. The major diameter is the upper surface of the thread. The minor diameter corresponds to the lower extreme of the thread. The thread angle is proportional to the distance between the major and minor diameters.
Lead screws are a more affordable option. They are easier to manufacture and less expensive than ball screws. They are also more efficient in vertical applications and low-speed operations. Some types of lead screws are also self-locking, and have a high coefficient of friction. Lead screws also have fewer parts. These types of screw shafts are available in various sizes and shapes. If you’re wondering which type of head of screw shaft to buy, this article is for you.
Threaded shank
Wood screws are made up of 2 parts: the head and the shank. The shank is not threaded all the way up. It is only partially threaded and contains the drive. This makes them less likely to overheat. Heads on wood screws include Oval, Round, Hex, Modified Truss, and Flat. Some of these are considered the “top” of the screw.
Screws come in many sizes and thread pitches. An M8 screw has a 1.25-mm thread pitch. The pitch indicates the distance between 2 identical threads. A pitch of 1 is greater than the other. The other is smaller and coarse. In most cases, the pitch of a screw is indicated by the letter M followed by the diameter in millimetres. Unless otherwise stated, the pitch of a screw is greater than its diameter.
Generally, the shank diameter is smaller than the head diameter. A nut with a drilled shank is commonly used. Moreover, a cotter pin nut is similar to a castle nut. Internal threads are usually created using a special tap for very hard metals. This tap must be followed by a regular tap. Slotted machine screws are usually sold packaged with nuts. Lastly, studs are often used in automotive and machine applications.
In general, screws with a metric thread are more difficult to install and remove. Fortunately, there are many different types of screw threads, which make replacing screws a breeze. In addition to these different sizes, many of these screws have safety wire holes to keep them from falling. These are just some of the differences between threaded screw and non-threaded. There are many different types of screw threads, and choosing the right 1 will depend on your needs and your budget.
Point
There are 3 types of screw heads with points: cone, oval, and half-dog. Each point is designed for a particular application, which determines its shape and tip. For screw applications, cone, oval, and half-dog points are common. Full dog points are not common, and they are available in a limited number of sizes and lengths. According to ASTM standards, point penetration contributes as much as 15% of the total holding power of the screw, but a cone-shaped point may be more preferred in some circumstances.
There are several types of set screws, each with its own advantage. Flat-head screws reduce indentation and frequent adjustment. Dog-point screws help maintain a secure grip by securing the collar to the screw shaft. Cup-point set screws, on the other hand, provide a slip-resistant connection. The diameter of a cup-point screw is usually half of its shaft diameter. If the screw is too small, it may slack and cause the screw collar to slip.
The UNF series has a larger area for tensile stress than coarse threads and is less prone to stripping. It’s used for external threads, limited engagement, and thinner walls. When using a UNF, always use a standard tap before a specialized tap. For example, a screw with a UNF point is the same size as a type C screw but with a shorter length.
Spacer
A spacer is an insulating material that sits between 2 parts and centers the shaft of a screw or other fastener. Spacers come in different sizes and shapes. Some of them are made of Teflon, which is thin and has a low coefficient of friction. Other materials used for spacers include steel, which is durable and works well in many applications. Plastic spacers are available in various thicknesses, ranging from 4.6 to 8 mm. They’re suitable for mounting gears and other items that require less contact surface.
These devices are used for precision fastening applications and are essential fastener accessories. They create clearance gaps between the 2 joined surfaces or components and enable the screw or bolt to be torqued correctly. Here’s a quick guide to help you choose the right spacer for the job. There are many different spacers available, and you should never be without one. All you need is a little research and common sense. And once you’re satisfied with your purchase, you can make a more informed decision.
A spacer is a component that allows the components to be spaced appropriately along a screw shaft. This tool is used to keep space between 2 objects, such as the spinning wheel and an adjacent metal structure. It also helps ensure that a competition game piece doesn’t rub against an adjacent metal structure. In addition to its common use, spacers can be used in many different situations. The next time you need a spacer, remember to check that the hole in your screw is threaded.
Nut
A nut is a simple device used to secure a screw shaft. The nut is fixed on each end of the screw shaft and rotates along its length. The nut is rotated by a motor, usually a stepper motor, which uses beam coupling to accommodate misalignments in the high-speed movement of the screw. Nuts are used to secure screw shafts to machined parts, and also to mount bearings on adapter sleeves and withdrawal sleeves.
There are several types of nut for screw shafts. Some have radial anti-backlash properties, which prevent unwanted radial clearances. In addition, they are designed to compensate for thread wear. Several nut styles are available, including anti-backlash radial nuts, which have a spring that pushes down on the nut’s flexible fingers. Axial anti-backlash nuts also provide thread-locking properties.
To install a ball nut, you must first align the tangs of the ball and nut. Then, you must place the adjusting nut on the shaft and tighten it against the spacer and spring washer. Then, you need to lubricate the threads, the ball grooves, and the spring washers. Once you’ve installed the nut, you can now install the ball screw assembly.
A nut for screw shaft can be made with either a ball or a socket. These types differ from hex nuts in that they don’t need end support bearings, and are rigidly mounted at the ends. These screws can also have internal cooling mechanisms to improve rigidity. In this way, they are easier to tension than rotating screws. You can also buy hollow stationary screws for rotator nut assemblies. This type is great for applications requiring high heat and wide temperature changes, but you should be sure to follow the manufacturer’s instructions.