Tag Archives: square head screw

China Professional Mushroom Head Square Neck Bolt Screw DIN603

Product Description

Item DIN603 Mushroom Head Square Neck Bolts
Grade/Class 4.8 & 5.8 & 6.8 & 8.8
Material Low Carbon Steel,Medium Carbon Steel
Surface Black, Zinc Plated(ZP),Yellow Zinc Plated ( YZP) ,Hot Dip Galvanize(HDG)

 

Size M5 M6 M8 M10 M12 M16 M20
P 0.8 1.0 1.25 1.5 1.75 2.0 2.5
Dk 13.55-12.45 15.45-16.55 19.35-20.65 23.35-24.65 29.35-30.65 37.2-38.8 45.2-46.8

• ASME B 18.5  Round Head Sqare Neck Bolts

• Carton size : The ordinary carton  (27*25*14.5CM) ,  or according to the demand of the customers.
• Packing :  plastic bags,Box, carton , then put on pallets, or according to the demand of the customers.

• We are a typical China supplier with more than 10 years experiences on fasteners.We are professionally exporting under the standards of DIN, JIS, GB, ANSI, and BS, as well as nonstandard fasteners. Now we have gained close cooperation with clients from Canada, Dubai, Europe, India,Chile,Peru and Russia, and won good comments from users. We always fulfilling customers’ expectations by following the principle of “Providing services whenever and wherever our customers need it” to establish a steady beneficial relationship and wining customers’ hearts. If you need more information, please contact our sales department. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Material: Carbon Steel
Type: Mushroom Head
Connection: Common Bolt
Head Style: Round
Standard: DIN, ANSI, GB, JIS, BSW, GOST
Grade: 4.8 & 8.8
Samples:
US$ 0.1/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

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

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 Professional Mushroom Head Square Neck Bolt Screw DIN603  China Professional Mushroom Head Square Neck Bolt Screw DIN603
editor by Dream 2024-05-15

China Custom Stainless Steel Flat Head Square Decking Screw

Product Description

Stainless Steel Flat Head Square Decking Screw

Material Stainless Steel
Colour Silver
Type Square Socket Small CSK Head Wood Screw
OEM Available

Bolts Springs Socket Screws
Insert Nuts Pins Rivet Nuts
Thumb/Shoulder Screws Captive Screws Self Clinching Systems

Our Advantages

Warehouse

Packaging & Shipping

Payment

Customers

FAQ

Q: How long is your delivery time?
A: We have large stock, 3 days for stock items,7-15days for production.
Q: Do you provide samples? Is it free or need extra fees ?
A: Yes, we could offer free samples for the items in stock,just need to pay shipping cost.
Mold fee is necessary for customized item.
Q: What is your terms of payment ?
A: 50% in advance ,50% before delivery.
100% in advance if less than USD5000.
Q: What’s your price terms ?
A: EXW/FOB/CIF/CFR/FCA/CPT/CIP/DAP/DDP
Q: What’s your product range?
A: Our product range includes screws, nuts, bolts, washers, spring,rivet, anchor and CNC parts.
Q: Are you trading company or manufacturer ?
A: We are manufacturer.

/* 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: Flat Head
Groove: Square
Customization:
Available

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
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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

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

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 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 Stainless Steel Flat Head Square Decking Screw  China Custom Stainless Steel Flat Head Square Decking Screw
editor by CX 2024-04-04