Tag Archives: butterfly screw

China supplier Hand Tighten Butterfly Bolt Stainless Steel DIN316 Eye Lifting Thumb Screw

Product Description

Hand Tighten Butterfly Bolt 304 Stainless Steel DIN316 M3 M4 M5 Eye Lifting CHINAMFG Thumb Screw 

Product Description

Standard ISO, JIS, GB, ANSI, BSW, DIN or non standard as customize
Material

1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420
2.Steel:C45(K1045), C46(K1046),C20
3.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40)
4.Bronze: C51000, C52100, C54400, etc
5.Iron: 1213, 12L14,1215
6.Aluminum/ Aluminum Alloy: Al6061, Al6063 etc
7.Carbon steel: C1006,C1571,C1018,C1571,C1035K,C1045, C435#, 40CrMo, 42CrMo
8.Alloy steel: SCM435,10B21
9.Titanium and Titanium Alloy: TAD, TA1-TA8, TB2, TC1-TC10

Grade 4.8,6.8,8.8,12.9,etc
Size M3-M24 or made to print as customer’s specification
Specifications Various shape size according to client’s requirement
Thread unc,unf,metric thread
Finish Plain, Zinc Plated(Clear/Blue/Yellow/Black), black oxide, H.D.G, DAC,GOEMET, as custom need
Payment term T/T 30 % deposit, 70% balance payment before shipment
Package solid cardboard box pack or kit packed

 

Detailed Photos

 

 

Company Profile

HangZhou ZEYAO Hardware Co.,ltd is a professional Fastener manufacturer with over 17 years experience.Located In HangZhou City,ZheJiang , China. We are Specailizing in fasteners including thread forming screws,machine Screw, self tapping screw, shoulder screws, sealing screws,custom screws ,bolts,nuts,washers,rivet,lathe parts ,CNC milling parts and CNC turning parts.

We produce fasteners covering the standard of DIN,ANSI,ISO,GB,and GIS .Our product have been exported to United States, United Kingdom, Australia, Canada, Indonesia ,Japan and Middle east. Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss customer’s requirements and help customer’s to reduce the cost and save production time. In recent years, our company has introduced a series of advanced equipment including Salt Spraying Test Machine, Hardness Tester, Automatic Sort Machines,Projector,Torque test machines.

As a professional fastener manufacturer, we have obtained I S O 9 0 0 1 certificates, Strict quality control is made from IQC – FQC -OQC in the production. Quality is our life.All of our product are ROHS compliant. Whether selecting a current product from our catalog or seeking engineering production.We can ship standard fasteners immediately and also produce custom fasteners based on your drawing.

Our advantage is one stop custom screw service, from custom material to custom design as per the print, and custom surface treatment with different plating.you can talk to our customer service center about your sourcing requirements.Welcome to visit to our factory. We look CHINAMFG to have cooperation with you.

1. Production Machine:

Test Machines

 

Exhibition/Show

 

 

 

Certifications

Our Advantages

1. Factory competitive price
2. Strict quality control process
3. Experienced mechanical engineer and sales staff
4. Fast delivery, short lead time
5.100% inpsection 
6. In-housing machines including heading, thread rolling, turning machines, lathe machines, cnc etc.
 

 
 
 
 

 

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Material: Stainless Steel
Surface Finishing: Plain
Certification: ISO, GS, RoHS, CE
Samples:
US$ 20/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

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

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 supplier Hand Tighten Butterfly Bolt Stainless Steel DIN316 Eye Lifting Thumb Screw  China supplier Hand Tighten Butterfly Bolt Stainless Steel DIN316 Eye Lifting Thumb Screw
editor by CX 2024-01-15