China Best Sales Expansion Screw with Stainless Steel Eye Hook

Product Description

Stainless Steel Eye Hook Expansion Sleeve Anchor

Product Name: Expansion Screw with Stainless Steel Eye Hook

Company Name: HangZhou Vigor Fasteners Trading Co., Ltd.

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Product Description

Product Description

Product Description

Welcome to HangZhou Vigor Fasteners Trading Co., Ltd.! We are proud to present our high-quality fasteners designed to meet your needs. Our product specifications and range of loading and concrete quality are as follows:

Material Specifications

  • Carbon steel zinc galvanised 5μm
  • Stainless steel 304 (A2) and 316 (A4)

Range of Loading

Our fasteners can handle a wide range of loading, from 1.1 KN to 45.5 KN. Whether you have light or heavy-duty applications, our products have got you covered.

Range of Concrete Quality

Our fasteners are compatible with various concrete qualities, including C20, C25, C30, and C35. You can trust our products to provide reliable and secure connections.

Choose HangZhou Vigor Fasteners Trading Co., Ltd. for all your fastening needs. Our products are made with precision and durability in mind, ensuring long-lasting performance. Don’t compromise on quality – choose us for superior fasteners!


1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420
2.Steel: C45(K1045),  C46(K1046), C20
3.Carbon Steel: 1571,1035,1045
4.Aluminum or Aluminum Alloy: Al6061, Al6063, Al7075, etc
5.Brass: H59, H62, Copper, Bronze

Surface Finish:

All kinds of surface treatment are available like chrome plating, zinc plating , nick plating , powder coating, e-coating, dip coating, mirror polishing, etc.


Electronic/Appliance/Auto/Industrial equipment metal stamping hardware parts


Our process includes tooling fabrication, stamping, deep drawing, punching, spinning, laser cutting, bending, seamless welding, machining and assembly

Available Certificate

ISO 9001, SGS, Material Certificate

Accident Prevention

Safety Operation Management

Quality Control

Liability System and Periodical QC on line every hour

Lead Time

7-15 work days after order confirmed


Package Details


Company Profile

Vigor Fasteners – Product Description

Welcome to Vigor Fasteners

HangZhou Vigor Fasteners Trading Co., Ltd. is a company with over 14 years of experience in the fasteners industry. We pride ourselves on our flexibility, strong focus on customer service, and commitment to customer satisfaction.

Our Products

At Vigor Fasteners, we offer a wide range of high-quality products that can be used in various industries, with a particular emphasis on the construction industry. Our main product categories include:

  • Drop-in Anchor
  • 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)

Our products are known for their versatility and durability, making them suitable for a wide range of applications. Whether you need fasteners for construction projects or other industries, we have the right solution for you.

Building Bridges with Our Customers

At Vigor Fasteners, we believe in establishing strong relationships with our customers. We understand that trust is not something that can be fabricated but is built over time through constant care and exceptional service. Let us be your reliable partner in the fasteners industry and together, we can fasten it in the whole world.


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Material: Carbon Steel &Stainless Steel 304 316
Type: Sleeve for Construction Bolt
Connection: Common Bolt
Standard: DIN, ANSI, GB, JIS, BSW
Grade: 4.8/5.8
Application: Machinery, Chemical Industry, Environmental, Building, Construction Industry
US$ 0/Piece
1 Piece(Min.Order)




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

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 Best Sales Expansion Screw with Stainless Steel Eye Hook  China Best Sales Expansion Screw with Stainless Steel Eye Hook
editor by CX 2024-03-23