Tag Archives: lag bolt screw

China wholesaler Galvanized / Galvanizing Sectional Garage Door Lag Screw with Plastic Anchor / Lifting Eye Bolt

Product Description

 

FAQ Q: What kind of hardware do you offer ? A: We can provide with hardware for residential and commercial garage door and industrial door, including: Aluminum cable drum / Aluminum spring cone / Bearing bracket / Roller / Bearing / Pulley / Hinge / Spring break safety device / Cable break safety device / Roller bracket / Cable wire / Cable folder / Fasterners (screw, bolt, nut ) / Shaft key / Tube Shaft / Couplar / Chain hoist / Door lock / Door handle / Track / Angle / Window / Aluminum, steel and plastic profile / Reinforcing rib / End cap and so on. We can also provide with multiple package solutions such as small hardware kit box, big box for whole set of hardware including track,tube and spring, single type hardware box and pallet. Q: Can I get some samples? A: Sure, samples can be available anytime. Q: What customzing option can I have ? A: Our customzing options including size, thinkness, color and package /* 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

After-sales Service: 7*24 Response
Warranty: 12 Months
Type: Hradware Kit/ Compelex Kit of Garage Door Hardware
Material: Metal
If You Have Any Question or Inquiry: Please Leave Us a Message in The Bottom of This PA
Please Contact Us: If You Have Any Question
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Customization:
Available

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eye bolt screw

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.

eye bolt screw

How do eye bolt screws contribute to load-bearing and lifting operations?

Eye bolt screws play a crucial role in load-bearing and lifting operations by providing a secure and reliable attachment point for connecting lifting equipment, such as ropes, cables, or chains, to the load being lifted. Here’s how eye bolt screws contribute to load-bearing and lifting operations:

  1. Attachment Point: Eye bolt screws feature an eye or loop at one end, which serves as the attachment point for lifting equipment. The shape and design of the eye provide a secure and properly fitting connection for the hardware used in lifting operations, ensuring that the load remains stable and properly supported during lifting.
  2. Load Distribution: When a load is attached to an eye bolt screw, the screw transfers the weight and forces exerted by the load to the surrounding structure or support system. The eye bolt screw acts as a load-bearing component, distributing the load evenly across its body and the attachment point. This helps prevent concentrated stress on a single point, reducing the risk of failure or damage.
  3. Strength and Load Capacity: Eye bolt screws are designed and manufactured to have high load-bearing capacities to withstand the forces encountered during lifting operations. They are made from materials with sufficient tensile and yield strength, ensuring that they can handle the expected loads without deformation or failure. The load capacity of an eye bolt screw is typically specified by the manufacturer and should not be exceeded to maintain safety.
  4. Flexibility and Versatility: Eye bolt screws come in various sizes, shapes, and configurations, allowing them to be used in a wide range of load-bearing and lifting applications. They can be installed in different orientations, such as vertical, horizontal, or angled, depending on the specific lifting requirements. This flexibility makes eye bolt screws adaptable to different lifting scenarios and enables them to accommodate various hardware and equipment.
  5. Safety Considerations: Eye bolt screws are subject to specific safety guidelines and standards to ensure their proper use in load-bearing and lifting operations. These guidelines may include factors such as proper installation torque, inspection and maintenance requirements, and load capacity limitations. Adhering to these safety considerations helps minimize the risk of accidents, load failures, or injuries during lifting operations.

Overall, eye bolt screws provide a critical link between the load and the lifting equipment, enabling safe and efficient load-bearing and lifting operations. Their strength, reliability, and versatility make them indispensable components in various industries, including construction, manufacturing, rigging, and material handling.

eye bolt screw

How does the design of an eye bolt screw contribute to its strength and durability?

The design of an eye bolt screw plays a crucial role in determining its strength and durability. Various design features are incorporated to ensure that the eye bolt screw can withstand the intended loads and provide a reliable and long-lasting attachment point. Here are some ways in which the design contributes to the strength and durability of an eye bolt screw:

  1. Material Selection: Eye bolt screws are available in different materials, such as steel, stainless steel, or other alloys. The choice of material depends on the specific application and environmental factors. High-strength materials like stainless steel or alloy steel are commonly used to enhance the strength and corrosion resistance of the eye bolt screw.
  2. Threaded Shank: The threaded shank of an eye bolt screw allows for easy installation by screwing it into a pre-drilled hole or threaded receptacle. The design of the thread profile and pitch ensures a secure and tight fit. The threads distribute the applied load over a larger area, reducing stress concentration and increasing the overall strength of the attachment.
  3. Eye Design: The design of the eye, or the looped end, of an eye bolt screw is critical for its performance. The eye is typically circular or oval-shaped, providing a smooth and continuous attachment point. The shape and size of the eye are designed to accommodate the intended hardware, such as cables, ropes, or chains, ensuring a proper fit and reducing the risk of slippage or failure.
  4. Shoulder or Collar: Some eye bolt screws feature a shoulder or collar between the shank and the eye. This shoulder provides additional support and prevents the bolt from pulling through the attachment point. The presence of a shoulder enhances the load-bearing capacity and stability of the eye bolt screw, making it suitable for heavy-duty applications.
  5. Load Ratings and Compliance: Eye bolt screws are designed to meet specific load ratings and comply with industry standards and safety regulations. The design takes into account the anticipated loads and forces that the eye bolt screw will experience. Load ratings are determined through testing and ensure that the eye bolt screw can safely handle the intended loads without failure or deformation.
  6. Corrosion Resistance: In environments where corrosion is a concern, eye bolt screws are designed with corrosion-resistant materials or coatings. Stainless steel or galvanized steel eye bolt screws are commonly used in applications where exposure to moisture, chemicals, or harsh weather conditions is expected. This design choice enhances the durability and longevity of the eye bolt screw.

By considering these design factors, manufacturers can produce eye bolt screws that are capable of withstanding the intended loads, provide a secure attachment point, and resist environmental factors that could compromise their strength and durability. It is crucial to choose eye bolt screws that are designed and rated for the specific application to ensure safe and reliable performance.

China wholesaler Galvanized / Galvanizing Sectional Garage Door Lag Screw with Plastic Anchor / Lifting Eye Bolt  China wholesaler Galvanized / Galvanizing Sectional Garage Door Lag Screw with Plastic Anchor / Lifting Eye Bolt
editor by CX 2024-04-15

China Custom 2 Inch Large Galvanised Eye Bolt Open Snake Eye Hook Lag Screw for Electrical

Product Description

Product name 2 inch large galvanised eye bolt open snake eye hook lag screw for electrical
Standard: DIN444 DIN580
Thread: unc,unf,metric thread
Material: carbon steel, alloy steel, stainless steel
Finish: Zinc Plated, HDG ,Black ,Bright,GOEMET
Packing: bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Leading Time : 20-30 days or based on order required

 

 
 DIN580 eyebolt                                                                           Triangle eye bolt

 

DIN444 Forged eye bolt  

Anchor eye bolt

 

 

Company Profile

ZheJiang T&Y Hardware Industry established in 2009, Focusing On Standard And No Standard Fasteners Making and Developing.
the
first manufacturer of high-strength and high-quality stainless steel fasteners production-oriented enterprises, breaking the
long-term dependence on imports of such products situation.
The founder Ms Jane has Been doing this industry for more than 10 years, though a young lady. 6 years working experiences for
fasteners in 1 world’s top 500 company, 6 years working for T&Y hardware industry.

 

Main products

Our Mainy Product range :
Metal Structural Industry: Industry Bolts: Hex bolts ,Allen bolts,A490 heavy hex bolt; U bolt ,Eye bolt,Hex flange Bolts,Anchor bolts
Industry Nuts :Hex nuts ,square Nuts ,Spring Nuts,T Nuts ,Special Nuts

Screw: Self drilling screw,Self tapping screw,Machine screw,hex lag screw,Set screw, Male female screws.

Metal washer : Flat washer, Spring washer ,Lock washer,Square washer,Concave convex washer.
Threaded rod & studsStamping Parts

Exhibitions around the world

Every Year We Will attened many fastener shows.
We have held exhibitions in Mexico, the United States, Germany, Iran and other countries

We believe our market will bigger and bigger.

Show you some pictures. We have very happy meeting.

 

Customer feedback

We have established a good cooperative relationship with our customer from all over the world.
Their are very satisfied with our quanlity and Customer service. Pls check the following for Their feedback.

FAQ

Q1. How to ensure that every process’s quality?
A1:Every process will be checked by our quality inspection department which insures every product’s quality. In the production of products, we will personally go to the factory to check the quality of products.

Q2.How long is your delivery time?
A2:Our delivery time is generally 30 to 45 days. Or according to the quantity.

Q3. What is your payment method?
A3:30% value of T/T in advance and other 70% balance on B/L copy.
For small order less than 1000USD, would suggest you pay 100% in advance to reduce the bank charges.

Q4.Can you provide a sample?
A4:Sure, Our sample is provided free of charge, but not including courier fees.

  /* 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
Type: Eye Bolt
Connection: Common Bolt
Head Style: Eye Head
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Grade: 10.9
Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

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Customization:
Available

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eye bolt screw

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.

eye bolt screw

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.

eye bolt screw

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.

China Custom 2 Inch Large Galvanised Eye Bolt Open Snake Eye Hook Lag Screw for Electrical  China Custom 2 Inch Large Galvanised Eye Bolt Open Snake Eye Hook Lag Screw for Electrical
editor by CX 2024-02-28

China Good quality Self Tapping Wood Hook Eye Screw Bolt Lag Wood Screws

Product Description

 

Product Description

Name  Self Tapping Wood Hook Eye Screw Bolt Lag Wood Screws Transport Package Cartons + Pallet
Standard / Head  Hexagonal
Size 3/4/5/8/10 Finish Zinc- Plated
Samples Supply Delivery Time Within 30 Days After We Receive The Deposit

COMPANY INTRODUCTION
Weifeng International is 1 of the leading rapid growth manufacturer and distributor of fixings and fasteners in China.We have customers from more than 100 countries around the world .As over 13 years of experience in Fasteners, CHINAMFG has supplied quality screws, bolts, nuts,washers,anchors in all shapes and sizes to our businesses parteners in EU, America, Poland, Romania, Indonesia and so on. OEM and ODM orders are welcomed.

To assure your products of a market-leading quality,we make each item using the latest and modern production machinery in our facilities from Switzerland and Italy.Moreover ,we carry out in-house QC measures at multiple stages in our ISO 9001:2008-certified facilities,storing all results in our central databank.We make sure that our manufacturing processes are streamlined and able to yield a high volume of products in a short time without compromising on the quality.

“A screw in every building and in every bridge as well as houses,running CHINAMFG “is Weifeng’s company mission .As stated in our company Vision ,”Our customers ,both large and small,receive our undivided attention ,as we trdat every 1 as the only 1 .Our work with our customers is integrated into such an array of products and services our touch is felt throughout daily life in both the workplace and in the home.CHINAMFG builds products,brands, and a reputation as an ideal place to entrust your livelihood, whether as a customer ,supplier, employee,or share owner.”

If you are intersted in, please contact with me.

Detailed Photos

Q1 : Can I get a sample?
A: Yes, we can provide free samples for stock items. You just need to pay shipping charge; If it is a custom item, there may be mould charge occured.

Q2 : How long for production?
A: We have many sizes of stock, we can ship out in 3-10 days for stock items.

Q3: What is your payment term?
A: Payment term is usually 30% TT in advance, 70% by copy B/L.

Q4 : Do you have QC ?
A: Yes, we have QC team who will inspect raw material, every process during production, goods measurement and mechanical property, testing result will be filled in computer;

Q5 : Is the test report traceable?
A: Yes, test report for each batch is filled in computer with detailed record, we can get it out at any time.

Q6 : Are you manufacturer or Trader?
A: We are a manufacturer. 

If you have another question,pls feel free to contact me.
Contact: Corinna

If you have any inquiry, pls contact me.
  /* 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: 5050
Shape of Head: O Type
Shape of Groove: /
Surface Finishing: Zinc Plated
Certification: ISO
Customized: /
Samples:
US$ 1/Piece
1 Piece(Min.Order)

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Customization:
Available

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eye bolt screw

What maintenance practices are recommended to ensure the longevity of eye bolt screws?

Maintaining eye bolt screws is crucial to ensure their longevity, performance, and safety. Regular maintenance practices help identify and address potential issues, prevent corrosion, and extend the lifespan of the screws. Here’s a detailed explanation of recommended maintenance practices for eye bolt screws:

  • Visual Inspection: Regularly inspect eye bolt screws to identify any signs of damage, wear, or deformation. Look for cracks, bending, thread damage, or signs of corrosion. Ensure that the eye bolt screws are securely fastened and that the threads are clean and free from debris.
  • Cleaning: Clean eye bolt screws periodically to remove dirt, dust, grease, or other contaminants that can contribute to corrosion or interfere with their performance. Use appropriate cleaning agents or solvents and ensure thorough drying after cleaning.
  • Lubrication: Apply a suitable lubricant to the threads and bearing surfaces of the eye bolt screws to reduce friction and prevent galling or seizing. Lubrication helps maintain smooth operation and minimizes wear and tear. Choose lubricants compatible with the material of the screws and the specific operating conditions.
  • Torque Checking: Regularly check the torque of the eye bolt screws to ensure they remain properly tightened. Over time, vibrations or loading may cause the screws to loosen. Use a torque wrench to verify that the screws are tightened to the recommended torque values specified by the manufacturer or applicable standards.
  • Load Capacity Verification: If eye bolt screws are subjected to heavy loads or used in critical applications, periodic load capacity verification may be necessary. This involves conducting load tests or inspections to ensure that the screws can still safely support the intended loads without any signs of deformation or failure.
  • Corrosion Protection: Eye bolt screws used in outdoor or corrosive environments should be protected against corrosion. Apply appropriate coatings or corrosion inhibitors to the screws to provide an additional layer of protection. Regularly inspect the corrosion protection measures and reapply as necessary.
  • Replacement of Damaged Screws: If any signs of significant damage or wear are detected during inspections, promptly replace the affected eye bolt screws. Continuing to use damaged or compromised screws can lead to unsafe conditions and potential failure.

It is essential to follow the manufacturer’s recommendations and any applicable industry standards or regulations when implementing maintenance practices for eye bolt screws. Additionally, consider the specific environmental conditions, load requirements, and operating factors when establishing a maintenance schedule.

By implementing regular maintenance practices, you can maximize the lifespan of eye bolt screws, reduce the risk of failures, and ensure their continued performance and safety in various applications.

eye bolt screw

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. 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.
  8. 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.
  9. 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.

eye bolt screw

Can you explain the different types of eye bolt screws available in the market?

In the market, there are several different types of eye bolt screws available, each with its own design and specific applications. These variations in design make eye bolt screws suitable for a wide range of uses. Here are some of the common types of eye bolt screws:

  1. Regular Eye Bolt: Regular eye bolts are the most basic type of eye bolt screws. They feature a straight shank with a looped eye at the end. The eye is typically circular or oval-shaped. Regular eye bolts are used for various applications that require a simple and reliable attachment point.
  2. Shoulder Eye Bolt: Shoulder eye bolts have a shoulder or collar between the shank and the eye. The shoulder provides additional support and prevents the bolt from pulling through the attachment point. Shoulder eye bolts are often used in lifting applications, where stability and load-bearing capacity are crucial.
  3. Machine Shoulder Eye Bolt: Machine shoulder eye bolts are similar to shoulder eye bolts but have a smaller shank diameter relative to the eye size. They are specifically designed for use with machinery, where space constraints or specific mounting requirements exist.
  4. Lag Eye Bolt: Lag eye bolts have a lag screw thread on the shank, allowing them to be screwed directly into wood or other materials without the need for a pre-drilled hole. They are commonly used for attaching ropes, cables, or hardware to wooden structures, such as decks, fences, or playground equipment.
  5. Welded Eye Bolt: Welded eye bolts have a welded eye instead of a looped eye. The eye is permanently welded to the shank, providing a strong and durable attachment point. Welded eye bolts are often used in heavy-duty applications, such as construction, manufacturing, or rigging.
  6. Swivel Eye Bolt: Swivel eye bolts feature a swiveling eye that allows for rotation and movement. The swivel action helps prevent twisting or tangling of ropes or cables. Swivel eye bolts are commonly used in applications where dynamic or multi-directional forces are involved, such as lifting or rigging operations.
  7. Shoulder Nut Eye Bolt: Shoulder nut eye bolts have a shoulder between the shank and the eye, similar to shoulder eye bolts. However, they also feature a nut on the shank, allowing for adjustable tension or positioning. Shoulder nut eye bolts are often used in tensioning applications or for attaching hanging objects that require precise alignment.

The choice of the appropriate type of eye bolt screw depends on the specific requirements of the application, including load capacity, attachment method, space constraints, and functionality. It is important to select eye bolt screws that meet the necessary specifications, such as load ratings, material strength, and corrosion resistance, to ensure safe and reliable performance.

When using eye bolt screws, it is essential to follow manufacturer guidelines, industry standards, and applicable safety regulations. Proper installation, torque values, and regular inspections are necessary to maintain the integrity and reliability of eye bolt screw attachments.

China Good quality Self Tapping Wood Hook Eye Screw Bolt Lag Wood Screws  China Good quality Self Tapping Wood Hook Eye Screw Bolt Lag Wood Screws
editor by CX 2024-02-27

China OEM CHINAMFG Customized HDG Pig Tail Eye Wood Bolt FTTH Fittings Hook Carbon Steel/Stainless Steel OEM ODM High Quality Eye Lag Screw

Product Description

High Quality HDG Pig Tail Eye Bolt,Wood Screw Eye Bolt for FTTH
Fittings,Hook Eye Bolt

 

STYLE Pig Tail Eye Bolt
STHangZhouRD Non-standard
SUPPLIER QBH
SHOP qbfastener
SIZE M4-M24
CLASS(Carbon steel) 4.8,5.8,8.8,10.9,12.9
Coating(Carbon steel) black, zinc, HDG, Heat treatment, Dacromet, GEOMET
MATERIAL Carbon steel
PACKING bulk/ boxes in cartons, bulk in polybags/ buckets, etc.
PALLET solid wood pallet, plywood pallet, ton box/bag, etc.

Product Description
Pig Tail Bolts are threaded at 1 end, whilst the other end is hot worked to form a pigtail-shaped
eyebolt.
Often used to spend air, water, refrigeration and ventilation columns, they are also used alongside
electrical telephone cable and chain type handrails.
Hot dip galvanizing(HDG) Pig Tail Bolts are corrosion resistant in wet environments.
The eye bolt is generally fully threaded so that the head sits flush in whatever surface it is installed in,
however, the thread can be partially threaded to slightly separate the bolt from the surface.

More Details

Certifications & Package


Our Services

Professional Manufacturer: All of our Fastener are designed and manufactured according to buyers’ 
specification and performance.
Quality is guaranteed: Durability testing and critical technical design to enhance fasteners lifetime.
Cost effective: Competitive prices with professional factory supply
Perfect fastening solution with 15+ years experiences to solve your problem: Wide range of parts selection.
Customized Ideal Fasteners: customized services according to the samples and drawings offered.

Free Samples for Standard Fastener from HangZhou City Qunbang Hardware
 We Promise:
1.High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. The best service

FAQ
1.What’s your experience like?

Our general manager has been engaged in the export of fasteners since 2005. 
Our team can provide you with professional fasteners selling and smooth export services.

2.How about your price?
High quality products with reasonable price. Please give me a inquire, We will quoted you a price for you 
refer at once.

3. How do you control your quality?
We require the quality control department to inspect every production link of each shipment. And we can provide you MTC and mill certificate when the goods is finished.

4.How about your delivery time?
General speaking, if the goods is in stock, we can delivery them with 2-5days, If the quantity is 1-2container, we can give you with 18-25days,if the quantity is more than 2 container and you are very urgent, we can let factory priority produce 
your goods.

5.What is your packing?
Our packing is 20-25kg for one carton,36 or 48pcs cartons for one pallet. One pallets is about 900-960kg, We also can make customer’s logo on the cartons. Or we customized cartons according to customers’ 
requirement.

6.What is your payment term?
We can accept T/T,LC for general order ,Paypal and Western union for small order or samples order. 

Awaiting for your kind inquiry! Thanks & best regards!
For more information:  http://qbfastener  

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Material: Carbon Steel , Stainless Steel, Customized
Shape of Head: Pig Tail
Surface Finishing: HDG
Samples:
US$ 0.01/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

eye bolt screw

What are the signs that indicate a need for eye bolt screw replacement or maintenance?

Eye bolt screws require regular inspection to identify signs of wear, damage, or other issues that may necessitate replacement or maintenance. Detecting these signs early helps prevent failures, ensure safety, and maintain optimal performance. Here’s a detailed explanation of the signs that indicate a need for eye bolt screw replacement or maintenance:

  • Visible Damage: Inspect the eye bolt screws for visible signs of damage, such as cracks, bending, or deformation. Any visible damage indicates a potential weakness that can compromise the structural integrity of the screws.
  • Thread Damage: Examine the threads of the eye bolt screws for signs of wear, stripping, or cross-threading. Damaged threads can result in reduced strength, improper engagement, or difficulty in tightening or loosening the screws.
  • Corrosion: Check for signs of corrosion on the surface of the eye bolt screws. Corrosion can weaken the material and compromise the load-carrying capacity of the screws. Look for rust, pitting, or discoloration, especially in outdoor or corrosive environments.
  • Loosening: If eye bolt screws consistently loosen or require frequent retightening, it may indicate a problem. Check for proper torque and ensure that the screws remain securely fastened. Persistent loosening may be a sign of thread damage, insufficient engagement, or inadequate tightening.
  • Excessive Wear: Evaluate the overall condition of the eye bolt screws for signs of excessive wear. This includes wear on the shank, head, or bearing surfaces. Excessive wear can reduce the load capacity and compromise the performance of the screws.
  • Noise or Vibration: Unusual noises, vibrations, or rattling during operation can indicate loose or damaged eye bolt screws. If the screws are not securely fastened or if there is excessive clearance, it can lead to unwanted movement, noise, or vibration.
  • Deformation of Connected Components: Monitor for signs of deformation or damage in the components connected to the eye bolt screws. If the connected components show signs of stress, bending, or deformation, it may indicate issues with the screws or improper load distribution.
  • Change in Load Capacity: If the load requirements change or increase for the application, it is important to reassess the load capacity of the eye bolt screws. If the screws are not rated to handle the new loads, replacement or reinforcement may be necessary.

Regular inspections and prompt action based on these signs are critical to maintaining the integrity and performance of eye bolt screws. When any of these signs are detected, it is advisable to consult the manufacturer’s recommendations, industry standards, or seek the expertise of a qualified professional to determine the appropriate course of action, whether it involves replacement, repair, or maintenance.

By staying vigilant and addressing potential issues in a timely manner, you can ensure the reliability, safety, and longevity of eye bolt screws in various applications.

eye bolt screw

How do eye bolt screws contribute to load-bearing and lifting operations?

Eye bolt screws play a crucial role in load-bearing and lifting operations by providing a secure and reliable attachment point for connecting lifting equipment, such as ropes, cables, or chains, to the load being lifted. Here’s how eye bolt screws contribute to load-bearing and lifting operations:

  1. Attachment Point: Eye bolt screws feature an eye or loop at one end, which serves as the attachment point for lifting equipment. The shape and design of the eye provide a secure and properly fitting connection for the hardware used in lifting operations, ensuring that the load remains stable and properly supported during lifting.
  2. Load Distribution: When a load is attached to an eye bolt screw, the screw transfers the weight and forces exerted by the load to the surrounding structure or support system. The eye bolt screw acts as a load-bearing component, distributing the load evenly across its body and the attachment point. This helps prevent concentrated stress on a single point, reducing the risk of failure or damage.
  3. Strength and Load Capacity: Eye bolt screws are designed and manufactured to have high load-bearing capacities to withstand the forces encountered during lifting operations. They are made from materials with sufficient tensile and yield strength, ensuring that they can handle the expected loads without deformation or failure. The load capacity of an eye bolt screw is typically specified by the manufacturer and should not be exceeded to maintain safety.
  4. Flexibility and Versatility: Eye bolt screws come in various sizes, shapes, and configurations, allowing them to be used in a wide range of load-bearing and lifting applications. They can be installed in different orientations, such as vertical, horizontal, or angled, depending on the specific lifting requirements. This flexibility makes eye bolt screws adaptable to different lifting scenarios and enables them to accommodate various hardware and equipment.
  5. Safety Considerations: Eye bolt screws are subject to specific safety guidelines and standards to ensure their proper use in load-bearing and lifting operations. These guidelines may include factors such as proper installation torque, inspection and maintenance requirements, and load capacity limitations. Adhering to these safety considerations helps minimize the risk of accidents, load failures, or injuries during lifting operations.

Overall, eye bolt screws provide a critical link between the load and the lifting equipment, enabling safe and efficient load-bearing and lifting operations. Their strength, reliability, and versatility make them indispensable components in various industries, including construction, manufacturing, rigging, and material handling.

eye bolt screw

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.

China OEM CHINAMFG Customized HDG Pig Tail Eye Wood Bolt FTTH Fittings Hook Carbon Steel/Stainless Steel OEM ODM High Quality Eye Lag Screw  China OEM CHINAMFG Customized HDG Pig Tail Eye Wood Bolt FTTH Fittings Hook Carbon Steel/Stainless Steel OEM ODM High Quality Eye Lag Screw
editor by CX 2024-02-22

China Good quality Stainless Steel A2-70 Half Thread Eye Lag Bolt Self Tapping Eye Hook Screw for Wood

Product Description

Product name Stainless Steel A2-70 Half Thread Eye lag Bolt Self Tapping Eye Hook Screw for Wood
Standard: DIN & ANSI & JIS & IFI
Thread: unc,unf,metric thread
Material: carbon steel, alloy steel, stainless steel
Finish: Zinc Plated, HDG ,Black ,Bright,GOEMET
Packing: bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Leading Time : 20-30 days or based on order required

 

 

Similar products

 

Company Profile

ZheJiang T&Y Hardware Industry established in 2009, Focusing On Standard And No Standard Fasteners Making and Developing.

The first manufacturer of high-strength and high-quality stainless steel fasteners production-oriented enterprises, breaking the long-term dependence on imports of such products situation.
The founder Ms Jane has Been doing this industry for more than 10 years ,though a young lady .
6 years working experiences for fasteners in 1 world’s top 500 company, 6 years working for T&Y hardware industry .

Our customers are from more 55 countries ,we are the nominated suppliers for the largest producer of household from Sweden , National Electric Power Company from Israel Etc

For T&Y Hardware and Jane, Quality is everything , we won’t sacrifice our quality for the winning more market.

Our Mainy Product range :
Metal Structural Industry: Industry Bolts: Hex bolts ,Hex cap A325,A490 heavy hex bolt; Hex lag screw ,Hex flange Bolts
Industry Nuts :Hex nuts ,square Nuts ,Spring Nuts,T Nuts ,Special Nuts

High guardrail hardare
Stainless steel fasteners

Certificate

 

Exhibitions around the world

Every Year We Will attened many fastener shows.

We have held exhibitions in Mexico, the United States, Germany, Iran and other countries

We believe our market will bigger and bigger.

Show you some pictures. We have very happy meeting.

Customer feedback

We have established a good cooperative relationship with our customer from all over the world.Their are very satisfied with our

quanlity and Customer service. Pls check the following for Their feedback.

FAQ

Q1. How to ensure that every process’s quality?
A1:Every process will be checked by our quality inspection department which insures every product’s quality. In the production of products, we will personally go to the factory to check the quality of products.

Q2.How long is your delivery time?
A2:Our delivery time is generally 30 to 45 days. Or according to the quantity.

Q3. What is your payment method?
A3:30% value of T/T in advance and other 70% balance on B/L copy.
For small order less than 1000USD, would suggest you pay 100% in advance to reduce the bank charges.

Q4.Can you provide a sample?
A4:Sure, Our sample is provided free of charge, but not including courier fees.

  /* 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: Eye Bolt
Groove: Special Shape
Connection: Common Bolt
Head Style: Eye Head
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Samples:
US$ 0.05/Piece
1 Piece(Min.Order)

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Customization:
Available

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eye bolt screw

What are the signs that indicate a need for eye bolt screw replacement or maintenance?

Eye bolt screws require regular inspection to identify signs of wear, damage, or other issues that may necessitate replacement or maintenance. Detecting these signs early helps prevent failures, ensure safety, and maintain optimal performance. Here’s a detailed explanation of the signs that indicate a need for eye bolt screw replacement or maintenance:

  • Visible Damage: Inspect the eye bolt screws for visible signs of damage, such as cracks, bending, or deformation. Any visible damage indicates a potential weakness that can compromise the structural integrity of the screws.
  • Thread Damage: Examine the threads of the eye bolt screws for signs of wear, stripping, or cross-threading. Damaged threads can result in reduced strength, improper engagement, or difficulty in tightening or loosening the screws.
  • Corrosion: Check for signs of corrosion on the surface of the eye bolt screws. Corrosion can weaken the material and compromise the load-carrying capacity of the screws. Look for rust, pitting, or discoloration, especially in outdoor or corrosive environments.
  • Loosening: If eye bolt screws consistently loosen or require frequent retightening, it may indicate a problem. Check for proper torque and ensure that the screws remain securely fastened. Persistent loosening may be a sign of thread damage, insufficient engagement, or inadequate tightening.
  • Excessive Wear: Evaluate the overall condition of the eye bolt screws for signs of excessive wear. This includes wear on the shank, head, or bearing surfaces. Excessive wear can reduce the load capacity and compromise the performance of the screws.
  • Noise or Vibration: Unusual noises, vibrations, or rattling during operation can indicate loose or damaged eye bolt screws. If the screws are not securely fastened or if there is excessive clearance, it can lead to unwanted movement, noise, or vibration.
  • Deformation of Connected Components: Monitor for signs of deformation or damage in the components connected to the eye bolt screws. If the connected components show signs of stress, bending, or deformation, it may indicate issues with the screws or improper load distribution.
  • Change in Load Capacity: If the load requirements change or increase for the application, it is important to reassess the load capacity of the eye bolt screws. If the screws are not rated to handle the new loads, replacement or reinforcement may be necessary.

Regular inspections and prompt action based on these signs are critical to maintaining the integrity and performance of eye bolt screws. When any of these signs are detected, it is advisable to consult the manufacturer’s recommendations, industry standards, or seek the expertise of a qualified professional to determine the appropriate course of action, whether it involves replacement, repair, or maintenance.

By staying vigilant and addressing potential issues in a timely manner, you can ensure the reliability, safety, and longevity of eye bolt screws in various applications.

eye bolt screw

What factors should be considered when selecting eye bolt screws for specific applications?

When selecting eye bolt screws for specific applications, several factors need to be considered to ensure the appropriate choice that meets the requirements of the application. These factors include:

  1. Load Capacity: Determine the anticipated load that the eye bolt screw will need to support. Consider both the static and dynamic loads, as well as any potential shock or impact loads. Choose an eye bolt screw with a load capacity that exceeds the expected loads to provide a safety margin.
  2. Material Strength: Evaluate the strength properties required for the application. Eye bolt screws are available in various materials, such as steel, stainless steel, or other alloys. Consider factors such as tensile strength, yield strength, and hardness to ensure the selected eye bolt screw can withstand the applied loads without deformation or failure.
  3. Corrosion Resistance: Assess the environmental conditions in which the eye bolt screw will be used. If the application involves exposure to moisture, chemicals, or corrosive elements, choose eye bolt screws with corrosion-resistant materials or coatings, such as stainless steel or galvanized steel, to prevent premature corrosion and maintain the integrity of the screw.
  4. Thread Type: Consider the type of thread required for the specific application. Eye bolt screws may have different thread types, such as coarse threads or fine threads. Coarse threads provide quicker installation and higher resistance to vibrational loosening, while fine threads offer finer adjustments and increased holding power.
  5. Attachment Point: Determine the method of attachment and the hardware that will be connected to the eye bolt screw. Consider the size and shape of the eye to ensure compatibility with the intended hardware, such as ropes, cables, or chains. The eye should provide a secure and properly fitting attachment point to minimize the risk of slippage or failure.
  6. Regulatory Compliance: Check if there are specific industry standards, regulations, or certifications that the eye bolt screw needs to meet. Industries such as construction, marine, or aerospace may have specific requirements for eye bolt screws. Ensure that the selected eye bolt screw complies with the relevant standards and regulations to ensure safety and reliability.
  7. Installation Method: Consider the installation method and the available equipment for installing the eye bolt screw. Some applications may require specific tools or techniques for proper installation. Ensure that the selected eye bolt screw can be easily installed using the available resources without compromising the installation quality.

By carefully considering these factors, you can select the most suitable eye bolt screws for specific applications. It is important to consult with industry professionals, engineers, or manufacturers to ensure that the chosen eye bolt screws meet the specific requirements and provide a reliable and safe solution for the intended application.

eye bolt screw

Can you explain the different types of eye bolt screws available in the market?

In the market, there are several different types of eye bolt screws available, each with its own design and specific applications. These variations in design make eye bolt screws suitable for a wide range of uses. Here are some of the common types of eye bolt screws:

  1. Regular Eye Bolt: Regular eye bolts are the most basic type of eye bolt screws. They feature a straight shank with a looped eye at the end. The eye is typically circular or oval-shaped. Regular eye bolts are used for various applications that require a simple and reliable attachment point.
  2. Shoulder Eye Bolt: Shoulder eye bolts have a shoulder or collar between the shank and the eye. The shoulder provides additional support and prevents the bolt from pulling through the attachment point. Shoulder eye bolts are often used in lifting applications, where stability and load-bearing capacity are crucial.
  3. Machine Shoulder Eye Bolt: Machine shoulder eye bolts are similar to shoulder eye bolts but have a smaller shank diameter relative to the eye size. They are specifically designed for use with machinery, where space constraints or specific mounting requirements exist.
  4. Lag Eye Bolt: Lag eye bolts have a lag screw thread on the shank, allowing them to be screwed directly into wood or other materials without the need for a pre-drilled hole. They are commonly used for attaching ropes, cables, or hardware to wooden structures, such as decks, fences, or playground equipment.
  5. Welded Eye Bolt: Welded eye bolts have a welded eye instead of a looped eye. The eye is permanently welded to the shank, providing a strong and durable attachment point. Welded eye bolts are often used in heavy-duty applications, such as construction, manufacturing, or rigging.
  6. Swivel Eye Bolt: Swivel eye bolts feature a swiveling eye that allows for rotation and movement. The swivel action helps prevent twisting or tangling of ropes or cables. Swivel eye bolts are commonly used in applications where dynamic or multi-directional forces are involved, such as lifting or rigging operations.
  7. Shoulder Nut Eye Bolt: Shoulder nut eye bolts have a shoulder between the shank and the eye, similar to shoulder eye bolts. However, they also feature a nut on the shank, allowing for adjustable tension or positioning. Shoulder nut eye bolts are often used in tensioning applications or for attaching hanging objects that require precise alignment.

The choice of the appropriate type of eye bolt screw depends on the specific requirements of the application, including load capacity, attachment method, space constraints, and functionality. It is important to select eye bolt screws that meet the necessary specifications, such as load ratings, material strength, and corrosion resistance, to ensure safe and reliable performance.

When using eye bolt screws, it is essential to follow manufacturer guidelines, industry standards, and applicable safety regulations. Proper installation, torque values, and regular inspections are necessary to maintain the integrity and reliability of eye bolt screw attachments.

China Good quality Stainless Steel A2-70 Half Thread Eye Lag Bolt Self Tapping Eye Hook Screw for Wood  China Good quality Stainless Steel A2-70 Half Thread Eye Lag Bolt Self Tapping Eye Hook Screw for Wood
editor by CX 2024-01-03

China supplier Dacromet Eyes Painted Cup Hook Screws Metal Wood Hook Eye Screw Bolt Lag Screw Carbon Steel Zinc-Plated Hook Eye Bolt Wood Screw near me factory

Product Description

PRODUCT DESCRIPTION

Product Eyebolt 
Material Stainless steel: A2-70, A4-70, 304,316, etc
Carbon steel: SAE1008, Q195, ST37, etc
Brass, Copper, Aluminum
Surface HDG, Zinc plated, Geomet, Dacromet, Black Oxide, Phosphatizing, Powder Coating and Electrophoresis.
Grade 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9.
Standard ISO, DIN, ANSI, JIS, BSW, ASME and Non-standard.

 

PRODUCT DETAILS

TRADING INFORMATION

Payment T/T,
Western Union
L/C.
Delivery time Within 7-12 days after 30% deposit.
Trade Terms FOB, CIF, EXW

PRODUCT TYPES

PRODUCT ADVANTAGES

PRODUCT SPECIFICATION

PRODUCTION WORKSHOP

PRODUCT TEST

PACKAGE & LOADING

FAQ

Q: What is the MOQ?
A: 1 pc.
 
Q: Can I get a sample?
A: Yes we offer free samples. Delivery cost is to be paid by clients.

Q: What is delivery time?
A: 5 days after deposit. Except for public holidays.

Q: How can you guarantee the quality?
A: We have rigorous quality test system, from raw materials to finished products, the materials must be checked and signed by QC people.

Q: How long can I get a quote?
A: The quotation can be provided not longer than 24 hours on condition that we know all detailed requirements.

Q: Can you provide OEM service?
A: Yes,we can produce under your own brandname. Logo and design need to be provided so as to make customized brandname.
 

MORE PRODUCTS

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.
screwshaft

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.
screwshaft

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.
screwshaft

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 supplier Dacromet Eyes Painted Cup Hook Screws Metal Wood Hook Eye Screw Bolt Lag Screw Carbon Steel Zinc-Plated Hook Eye Bolt Wood Screw   near me factory China supplier Dacromet Eyes Painted Cup Hook Screws Metal Wood Hook Eye Screw Bolt Lag Screw Carbon Steel Zinc-Plated Hook Eye Bolt Wood Screw   near me factory

China wholesaler Customized Metal Wood Hook Eye Screw Bolt Lag Screw near me factory

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.
 

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.
screwshaft

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.
screwshaft

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 2 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.
screwshaft

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 1 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 1 or 2 independent closed paths. Multi-circuit ball nuts have 2 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.

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China Good quality 1/2 1/4 Inch Ball Joint Eye Bolt Lag Screw with Free Design Custom

Product Description

Product name 1/2 1/4  inch ball joint eye bolt lag screw
Standard: DIN & ANSI & JIS & IFI
Thread: unc,unf,metric thread
Material: carbon steel, alloy steel, stainless steel
Finish: Zinc Plated, HDG ,Black ,Bright,GOEMET
Packing: bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Leading Time : 20-30 days or based on order required

Product Details 

 

Company Profile

ZheJiang T&Y Hardware Industry established in 2009, Focusing On Standard And No Standard Fasteners Making and Developing. the first manufacturer of high-strength and high-quality stainless steel fasteners production-oriented enterprises witht ISO 9001:2015 certificate

Product range :

Metal Structural Industry: Industry Bolts: Hex bolts ,Hex cap A325,A490 heavy hex bolt; Hex lag screw ,Hex flange Bolts
Industry Nuts :Hex nuts ,square Nuts ,Spring Nuts,T Nuts ,Special Nuts

High guardrail hardare
Stainless steel fasteners

We Believe we will be become your loyal partner

Certificate

Exihibition

Every Year We Will attened many fastener shows. We are ending in 07 – 09 DE SEPTIEMBRE 2017,EXPO GUADALAJARA,Mexico and 18-19 th

Oct fasteners show in Las Vegas ,USA this year. Really Great success ,We believe our market will bigger and bigger. Show you some
pictures. We have very happy meeting.

Packing & Shipping


customer feedback

We have established a good cooperative relationship with our customer from all over the world.Their are very satisfied with our
quanlity and Customer service. Pls check the following for Their feedback.

FAQ

Q1.What is your main products?
A1:Our main products are fasteners: bolts, screws, rods, nuts, washers, anchors and rivets. Meantime, our company also produces stamping parts and machined parts.

Q2. How to ensure that every process’s quality?
A2:Every process will be checked by our quality inspection department which insures every product’s quality. In the production of products, we will personally go to the factory to check the quality of products.

Q3.How long is your delivery time?
A3:Our delivery time is generally 30 to 45 days. Or according to the quantity.

Q4. What is your payment method?
A4:30% value of T/T in advance and other 70% balance on B/L copy.
For small order less than 1000USD, would suggest you pay 100% in advance to reduce the bank charges.

Q5.Can you provide a sample?
A5:Sure, Our sample is provided free of charge, but not including courier fees.

 

Screw Shaft Types

If you’re looking for a screw shaft, but aren’t sure which type to buy, you’re in luck. In this article, we’ll talk about the different types, including Threaded shank, Round head, and Machined. Once you’ve read it, you’ll know which type to buy. Then, you can decide whether you want a ball screw nut or a threaded shank.

Machined screw shafts

Besides the standard stainless steel shaft, manufacturers also provide a variety of other materials, such as titanium, bronze, and brass. In addition to stainless steel, manufacturers also provide a variety of top-coating options, including zinc, brass, and chromium. Aluminum screws are not particularly durable and are easily affected by weather. Most screw shafts feature self-locking mechanisms. They are especially useful in C-clamps, vises, and screw-top container lids.
For applications where accuracy is vital, a ball screw shaft needs to be annealed. A heat treatment can be performed on the ball screw shaft to ensure that both ends are heated evenly. In this process, the shaft will be more durable, while maintaining its high-precision properties. These screw shafts are a key component in computer-controlled motion-control systems, wire bonding, and other industries that require high-precision and high-quality performance.
Depending on the material used, screw shafts can be made of stainless steel or titanium. High-precision CNC machines and lathes are typically used to manufacture screw shafts. Various shapes and sizes are available, each with a specific application. Whether you need a small or large screw, you can find 1 to fit your needs. And since each size requires a different material, your choice of material is important as well.
In general, the materials used for machining screw shafts are steel, stainless steel, titanium, brass, bronze, and aluminum. Metals that resist corrosion are also commonly used. Other materials for screw shafts are Teflon, nylon, and nylon. You can also find threaded screw shafts in materials such as porcelain, glass, and ceramic. If you want to use your screws in a unique material, consider purchasing a customized one.
screwshaft

Ball screw nuts

If you have a screw shaft, the last thing you want to worry about is the ball nut slipping off. To prevent this, you can place a temporary stop in the shaft’s grooves to ensure that the ball nut does not slide off. When you remove the stop, you can then install the ball screw nut. But, before you can install the ball screw nut, you have to make sure that you have a good grip on the shaft.
When selecting ball screw nuts, it’s important to consider how much preload you need to apply to avoid excessive backlash. Preloading eliminates this problem by making the ball nut compact. It also prevents backlash, which is lost motion caused by clearance between the ball and nut. Backlash disrupts repeatability and accuracy. This is where spacer preloading comes in. You can insert a spacer between the 2 ball nuts to transmit the force to the nut. However, you should keep in mind that this method reduces the load capacity of the ball screw.
The critical speed of a screw is the maximum rotating speed before it whips. This critical speed is influenced by several factors, including the diameter of the screw shaft, the number of support elements, and the material. By adjusting these factors, you can reduce the number of components used and the amount of time it takes to assemble the screw shaft. In addition, you can also reduce the number of components and avoid stacking tolerances. However, the critical speed of plastic nuts is limited due to sliding friction.
The ball screw nut has several characteristics that make it unique. Its most prominent feature is the presence of ball bearings. These balls help reduce friction between the screw nut and the shaft. Without ball bearings, the friction would be too high to function properly. Another important characteristic is the groove profile of the nut and ball. These 2 features ensure that the ball and the nut meet at 2 points. You’ll be amazed by the results of the work of these ball screw nuts.
screwshaft

Threaded shank

Wood screws are usually not fully threaded because the shank has an unthreaded portion at the top. This shoulder part forces the screw to compress 2 pieces of wood, which prevents the screw from overheating and compromising the materials strength. As the screw is threaded partially up, it is not as difficult to remove as a fully threaded screw. However, it is important to note that a wood screw will not hold as tightly as 1 with a fully threaded shank.
In addition to being universal, screw threads can be of different sizes. For example, a M8 screw has a thread pitch of 1.25 mm. To avoid confusion, screw thread pitches are commonly given with a multiplication sign. For example, M8x1 means that the screw is 8 mm in diameter but has a thread pitch of 1 mm per 360-degree rotation. Those who are not familiar with these dimensions may find it confusing.
The OD of the threaded portion of a bolt is generally smaller than the OD of the nut. If the shank is too deep for the nut to fit, the threads may bottom out. This is why it’s important to use a thread-cutting bit with a small thread diameter. You can use a micrometer or caliper to measure the thread diameter. This tool will also allow you to easily identify which screw size fits where and how well.
The metric system is the most widely used. Fasteners with DIN numbers are generally metric in size. This makes them very useful for industrial settings. You can find metric-sized screws anywhere, as long as you buy them from a reputable manufacturer. These fasteners also come with a dog point, which is used for safety wire. If the screw needs to be replaced, the shank can be drilled with a hole for a safety wire or for a dog-point.

Round head

A round head screw is the most common type used for machine screws. Other common types include truss head, flat head, and hexed head. Each has a different profile and are used for different purposes. A round head screw is typically wider than a flat or a hexed head, and has a slightly rounded surface. These screws are useful for projects involving sheet metal or sheet-metal parts. Round heads are usually slightly wider than a hex head screw, and they may also be used as a substitute for washers in certain applications. However, truss heads are not necessary for every project.
A wood screw has a smooth shank that protrudes above the surface of the material it is attaching. A metal screw has a threaded shaft that is fully threaded from head to point, and a fully threaded shaft provides more bite. Two common head styles are round head and pan head. If the task requires the screw to be flush or countersunk, the round head will be the best choice.
Another type is the Reed & Prince screw drive. These are similar to Phillips screws but have a 75-degree V shape. They are commonly used in marine hardware and are also known as BNAE NFL22-070. This type is also used for steel plate hangers. In addition to round head and pan head screws, there are a variety of other screw types. You can even get a head with a slotted head if you know where to look.
Screw diameters are specified according to the ISO 261 or ISO 262 standards. An M8 screw has a diameter of 8.25 mm. The M8 screw has a pitch of 1.25 mm, which is equivalent to 1 mm per 360 degrees. There are several other standard screw sizes and thread diameters available. You can find them all by consulting the relevant standards. But remember, the metric system is the most popular.
screwshaft

Self-locking mechanism

A self-locking mechanism for a screw shaft is a device that secures the screw to its supporting member in a failure position. The locking mechanism provides a positive connection between the screw shaft and the control surface during normal operation, and locks the screw to its supporting member when the screw fails. Previous attempts to solve this problem have typically used secondary nuts with free play on the screw, which were intentionally designed to jam when loaded. However, such a device can be unreliable, which is why the present invention offers a more robust and reliable locking mechanism.
The self-locking function of a screw depends on several factors, including its pitch angle and the coefficient of friction of the threads. The angle of friction must be less than the tangent of the material pairing to prevent untightening of the screw. Screws with self-locking mechanisms have an efficiency e lower than 50%, which is less than half. Self-locking screws also have the benefit of being less efficient than a standard screw.
Unlike a normal screw, a self-locking screw can be turned in either direction. The nut 22 rotates with the screw shaft, and the member 23 is translated in an axial direction. Regardless of the direction of the rotation of the screw, this axial translation will result in the opposite moment to that input moment. While screw self-locking mechanisms are typically less expensive, they are more reliable and durable.
Another important feature of self-locking screws is that they are not susceptible to independent loosening. The screw cannot rotate without a certain amount of torque. In addition, a self-locking screw shaft must have a small wedge with a smaller half-angle than the arctangent of the static friction. This means that the torque applied by the driver must be greater than the torque needed to overcome the friction.

China Good quality 1/2 1/4 Inch Ball Joint Eye Bolt Lag Screw   with Free Design CustomChina Good quality 1/2 1/4 Inch Ball Joint Eye Bolt Lag Screw   with Free Design Custom

China wholesaler Customized Metal Self Tapping Wood Hook Eye Bolt Lag Screw with Best Sales

Product Description

Detailed Photos

Certifications

 

FAQ

Q1: Are you manufacturer or trading company?
A1: We are professional manufacturer with 16 years experience. We accept OEM, ODM as your needs and assure the competitive price and quality for you.

Q2: Can you offer me sample?
A2: Yes, we can offer you sample to test and check quality.

Q3: How does your factory do regarding quality control?
A3: We have professional QC team to inspect each items from the links of production to package.

Q4: How about your delivery time?
A4: Normally it will take 30-35 days after receiving your deposit.

Q5: What is your terms of payment?
A5: T/T 30% as deposit, and 70% balance before delivery.

Q6: What advantages we have?
A6:(1)Strict QC: For each order, strict inspection will be carried out by the QC department before shipping. The bad quality will be avoid within door.
(2)Shipping: We have shipping department and forwarder, so we can promise faster delivery and make the goods well protected.
(3)Our factory professional production metal box drawer system , concealed drawer slides ,ball bearing slides , etc furniture fittings.

Application

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.
screwshaft

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.
screwshaft

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 2 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.
screwshaft

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 1 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 1 or 2 independent closed paths. Multi-circuit ball nuts have 2 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.

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China supplier CZPT Customized HDG Pig Tail Eye Wood Bolt FTTH Fittings Hook Carbon Steel/Stainless Steel OEM ODM High Quality Eye Lag Screw near me shop

Product Description

High Quality HDG Pig Tail Eye Bolt,Wood Screw Eye Bolt for FTTH
Fittings,Hook Eye Bolt

 

STYLE Pig Tail Eye Bolt
STHangZhouRD Non-standard
SUPPLIER QBH
SHOP qbfastener
SIZE M4-M24
CLASS(Carbon steel) 4.8,5.8,8.8,10.9,12.9
Coating(Carbon steel) black, zinc, HDG, Heat treatment, Dacromet, GEOMET
MATERIAL Carbon steel
PACKING bulk/ boxes in cartons, bulk in polybags/ buckets, etc.
PALLET solid wood pallet, plywood pallet, ton box/bag, etc.

Product Description
Pig Tail Bolts are threaded at 1 end, whilst the other end is hot worked to form a pigtail-shaped
eyebolt.
Often used to spend air, water, refrigeration and ventilation columns, they are also used alongside
electrical telephone cable and chain type handrails.
Hot dip galvanizing(HDG) Pig Tail Bolts are corrosion resistant in wet environments.
The eye bolt is generally fully threaded so that the head sits flush in whatever surface it is installed in,
however, the thread can be partially threaded to slightly separate the bolt from the surface.

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Certifications & Package


Our Services

Professional Manufacturer: All of our Fastener are designed and manufactured according to buyers’ 
specification and performance.
Quality is guaranteed: Durability testing and critical technical design to enhance fasteners lifetime.
Cost effective: Competitive prices with professional factory supply
Perfect fastening solution with 15+ years experiences to solve your problem: Wide range of parts selection.
Customized Ideal Fasteners: customized services according to the samples and drawings offered.

Free Samples for Standard Fastener from HangZhou City Qunbang Hardware
 We Promise:
1.High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. The best service

FAQ
1.What’s your experience like?

Our general manager has been engaged in the export of fasteners since 2005. 
Our team can provide you with professional fasteners selling and smooth export services.

2.How about your price?
High quality products with reasonable price. Please give me a inquire, We will quoted you a price for you 
refer at once.

3. How do you control your quality?
We require the quality control department to inspect every production link of each shipment. And we can provide you MTC and mill certificate when the goods is finished.

4.How about your delivery time?
General speaking, if the goods is in stock, we can delivery them with 2-5days, If the quantity is 1-2container, we can give you with 18-25days,if the quantity is more than 2 container and you are very urgent, we can let factory priority produce 
your goods.

5.What is your packing?
Our packing is 20-25kg for one carton,36 or 48pcs cartons for one pallet. One pallets is about 900-960kg, We also can make customer’s logo on the cartons. Or we customized cartons according to customers’ 
requirement.

6.What is your payment term?
We can accept T/T,LC for general order ,Paypal and Western union for small order or samples order. 

Awaiting for your kind inquiry! Thanks & best regards!
For more information:  http://qbfastener  

What Are Screw Shaft Threads?

A screw shaft is a threaded part used to fasten other components. The threads on a screw shaft are often described by their Coefficient of Friction, which describes how much friction is present between the mating surfaces. This article discusses these characteristics as well as the Material and Helix angle. You’ll have a better understanding of your screw shaft’s threads after reading this article. Here are some examples. Once you understand these details, you’ll be able to select the best screw nut for your needs.
screwshaft

Coefficient of friction between the mating surfaces of a nut and a screw shaft

There are 2 types of friction coefficients. Dynamic friction and static friction. The latter refers to the amount of friction a nut has to resist an opposing motion. In addition to the material strength, a higher coefficient of friction can cause stick-slip. This can lead to intermittent running behavior and loud squeaking. Stick-slip may lead to a malfunctioning plain bearing. Rough shafts can be used to improve this condition.
The 2 types of friction coefficients are related to the applied force. When applying force, the applied force must equal the nut’s pitch diameter. When the screw shaft is tightened, the force may be removed. In the case of a loosening clamp, the applied force is smaller than the bolt’s pitch diameter. Therefore, the higher the property class of the bolt, the lower the coefficient of friction.
In most cases, the screwface coefficient of friction is lower than the nut face. This is because of zinc plating on the joint surface. Moreover, power screws are commonly used in the aerospace industry. Whether or not they are power screws, they are typically made of carbon steel, alloy steel, or stainless steel. They are often used in conjunction with bronze or plastic nuts, which are preferred in higher-duty applications. These screws often require no holding brakes and are extremely easy to use in many applications.
The coefficient of friction between the mating surfaces of t-screws is highly dependent on the material of the screw and the nut. For example, screws with internal lubricated plastic nuts use bearing-grade bronze nuts. These nuts are usually used on carbon steel screws, but can be used with stainless steel screws. In addition to this, they are easy to clean.

Helix angle

In most applications, the helix angle of a screw shaft is an important factor for torque calculation. There are 2 types of helix angle: right and left hand. The right hand screw is usually smaller than the left hand one. The left hand screw is larger than the right hand screw. However, there are some exceptions to the rule. A left hand screw may have a greater helix angle than a right hand screw.
A screw’s helix angle is the angle formed by the helix and the axial line. Although the helix angle is not usually changed, it can have a significant effect on the processing of the screw and the amount of material conveyed. These changes are more common in 2 stage and special mixing screws, and metering screws. These measurements are crucial for determining the helix angle. In most cases, the lead angle is the correct angle when the screw shaft has the right helix angle.
High helix screws have large leads, sometimes up to 6 times the screw diameter. These screws reduce the screw diameter, mass, and inertia, allowing for higher speed and precision. High helix screws are also low-rotation, so they minimize vibrations and audible noises. But the right helix angle is important in any application. You must carefully choose the right type of screw for the job at hand.
If you choose a screw gear that has a helix angle other than parallel, you should select a thrust bearing with a correspondingly large center distance. In the case of a screw gear, a 45-degree helix angle is most common. A helix angle greater than zero degrees is also acceptable. Mixing up helix angles is beneficial because it allows for a variety of center distances and unique applications.
screwshaft

Thread angle

The thread angle of a screw shaft is measured from the base of the head of the screw to the top of the screw’s thread. In America, the standard screw thread angle is 60 degrees. The standard thread angle was not widely adopted until the early twentieth century. A committee was established by the Franklin Institute in 1864 to study screw threads. The committee recommended the Sellers thread, which was modified into the United States Standard Thread. The standardized thread was adopted by the United States Navy in 1868 and was recommended for construction by the Master Car Builders’ Association in 1871.
Generally speaking, the major diameter of a screw’s threads is the outside diameter. The major diameter of a nut is not directly measured, but can be determined with go/no-go gauges. It is necessary to understand the major and minor diameters in relation to each other in order to determine a screw’s thread angle. Once this is known, the next step is to determine how much of a pitch is necessary to ensure a screw’s proper function.
Helix angle and thread angle are 2 different types of angles that affect screw efficiency. For a lead screw, the helix angle is the angle between the helix of the thread and the line perpendicular to the axis of rotation. A lead screw has a greater helix angle than a helical one, but has higher frictional losses. A high-quality lead screw requires a higher torque to rotate. Thread angle and lead angle are complementary angles, but each screw has its own specific advantages.
Screw pitch and TPI have little to do with tolerances, craftsmanship, quality, or cost, but rather the size of a screw’s thread relative to its diameter. Compared to a standard screw, the fine and coarse threads are easier to tighten. The coarser thread is deeper, which results in lower torques. If a screw fails because of torsional shear, it is likely to be a result of a small minor diameter.

Material

Screws have a variety of different sizes, shapes, and materials. They are typically machined on CNC machines and lathes. Each type is used for different purposes. The size and material of a screw shaft are influenced by how it will be used. The following sections give an overview of the main types of screw shafts. Each 1 is designed to perform a specific function. If you have questions about a specific type, contact your local machine shop.
Lead screws are cheaper than ball screws and are used in light-duty, intermittent applications. Lead screws, however, have poor efficiency and are not recommended for continuous power transmission. But, they are effective in vertical applications and are more compact. Lead screws are typically used as a kinematic pair with a ball screw. Some types of lead screws also have self-locking properties. Because they have a low coefficient of friction, they have a compact design and very few parts.
Screws are made of a variety of metals and alloys. Steel is an economical and durable material, but there are also alloy steel and stainless steel types. Bronze nuts are the most common and are often used in higher-duty applications. Plastic nuts provide low-friction, which helps reduce the drive torques. Stainless steel screws are also used in high-performance applications, and may be made of titanium. The materials used to create screw shafts vary, but they all have their specific functions.
Screws are used in a wide range of applications, from industrial and consumer products to transportation equipment. They are used in many different industries, and the materials they’re made of can determine their life. The life of a screw depends on the load that it bears, the design of its internal structure, lubrication, and machining processes. When choosing screw assemblies, look for a screw made from the highest quality steels possible. Usually, the materials are very clean, so they’re a great choice for a screw. However, the presence of imperfections may cause a normal fatigue failure.
screwshaft

Self-locking features

Screws are known to be self-locking by nature. The mechanism for this feature is based on several factors, such as the pitch angle of the threads, material pairing, lubrication, and heating. This feature is only possible if the shaft is subjected to conditions that are not likely to cause the threads to loosen on their own. The self-locking ability of a screw depends on several factors, including the pitch angle of the thread flank and the coefficient of sliding friction between the 2 materials.
One of the most common uses of screws is in a screw top container lid, corkscrew, threaded pipe joint, vise, C-clamp, and screw jack. Other applications of screw shafts include transferring power, but these are often intermittent and low-power operations. Screws are also used to move material in Archimedes’ screw, auger earth drill, screw conveyor, and micrometer.
A common self-locking feature for a screw is the presence of a lead screw. A screw with a low PV value is safe to operate, but a screw with high PV will need a lower rotation speed. Another example is a self-locking screw that does not require lubrication. The PV value is also dependent on the material of the screw’s construction, as well as its lubrication conditions. Finally, a screw’s end fixity – the way the screw is supported – affects the performance and efficiency of a screw.
Lead screws are less expensive and easier to manufacture. They are a good choice for light-weight and intermittent applications. These screws also have self-locking capabilities. They can be self-tightened and require less torque for driving than other types. The advantage of lead screws is their small size and minimal number of parts. They are highly efficient in vertical and intermittent applications. They are not as accurate as lead screws and often have backlash, which is caused by insufficient threads.

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