China Good quality Free Sample Hot-DIP Galvanizing Lifting M12 Lifting Forged Long Eye Bolt Screw DIN444

Product Description

Free Sample Hot-Dip Galvanizing Lifting M12 Lifting Forged Long Eye Bolt Screw DIN444


Product Description

Product Name: Lifting Eye Bolt with Fish Eye Design


Material Specifications:


  • Carbon steel zinc galvanized 5μm
  • Carbon steel hot-dipped galvanized 40μm
  • Stainless steel 304 (A2) and 316 (A4)


Package Details



Company Profile

Vigor Fasteners – Product Description


Welcome to HangZhou Vigor Fasteners Trading Co., Ltd.


With over 14 years of experience in the fasteners industry, Vigor Fasteners is a company that prioritizes flexibility, customer service, and satisfaction. We are dedicated to providing professional services and high-quality products to our valued customers.


Our Products


Our wide range of products caters to various industries, with a special emphasis on the construction industry. Our bolts and screws are versatile and can be used in numerous applications.


What sets us apart from the competition is our in-depth knowledge of our products and our commitment to growing alongside our business partners.


Some of our main products include:


  • Drop-in Anchor
  • Drop-in Anchor with Lip
  • Hex Bolt Sleeve Anchor
  • Sleeve Anchor with Flange Nut
  • Chemical Anchor
  • Wedge Anchor
  • Stub Bolt
  • Nylon Anchor
  • Tie Wire Anchor
  • Hollow Wall Anchor
  • Swivel Band Hanger
  • Hex Socket Set Screw DIN913/914/915/916-45H
  • Automotive Hub Bolt
  • Flange Head Cap Screw
  • Bush Hammer Bit with Alloy Tips
  • DIN912 Hex Socket Head Cap Screw
  • DIN7991 Socket Flat Head Cap Screw
  • ISO7380 Button Socket Head Cap Screw
  • Hex Key DIN911 (Wrenches)
  • Driver Bits
  • Hand Tools (Shooting Tools and Shooting Nails)


At Vigor Fasteners, we believe in building a strong relationship with our customers. Trust is not something that can be fabricated; it is earned through years of consistent care. Join us and let’s fasten it together in the whole world.


Product Description


Product Description


Welcome to HangZhou Vigor Fasteners Trading Co., Ltd.! We are here to provide you with high-quality products and exceptional service. Please find below some important information about our products:




To receive a quotation, please provide us with detailed information about your request. Include the item number, style, logo, size, material, surface treatment, and quantity. The more details you provide, the better. You can leave us an inquiry or email us, and we will respond promptly.


Free Sample


If you would like to receive a free sample, we recommend working with T/T, PayPal, or Western Union. These payment methods are all available for your convenience.


Order Process


The process of placing an order with us is simple. Start by sending us an inquiry. Once we receive your inquiry, we will provide you with a quotation. After the payment is done, we will open the mold and make samples. We will then deliver the samples to you or send you pictures for approval. Finally, we will proceed with mass production.


Customized Product Timeline


If you are wondering how long it will take for your customized product to be finished, here is a general timeline:


  • Sample: 7-10 working days (Standard)
  • Bulk order: 20-25 working days (Standard)


If you have any other questions or need further assistance, please feel free to contact us. We are here to help!


Thank you for choosing HangZhou Vigor Fasteners Trading Co., Ltd. We look CHINAMFG to serving you.

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Material: Carbon Steel, Stainless Steel
Type: Round Head
Connection: Common Bolt
Head Style: Round
Standard: DIN, ANSI, GB, JIS, BSW
Grade: 4.8 , 8.8
US$ 0/Piece
1 Piece(Min.Order)




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 Good quality Free Sample Hot-DIP Galvanizing Lifting M12 Lifting Forged Long Eye Bolt Screw DIN444  China Good quality Free Sample Hot-DIP Galvanizing Lifting M12 Lifting Forged Long Eye Bolt Screw DIN444
editor by CX 2024-03-06