Hangzhou Guangsi Fasteners Co., Ltd.

Fastener

Basic Introduction
 

Fasteners are essential hardware components used to join, secure, and assemble parts in a wide range of industrial and commercial applications. Common product categories include screws, bolts, nuts, washers, rivets, studs, and custom fasteners, making them widely used in equipment manufacturing, metal assembly, furniture hardware, electronics, and structural connections.

  • Pan Head Self-tapping Screws

    Pan Head Self-tapping Screws

    Pan head self-tapping screws are a core type of self-tapping fastener, featuring a round pan head

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  • Countersunk Self-tapping Screws

    Countersunk Self-tapping Screws

    Countersunk self-tapping screws are a core sub-category of self-tapping fasteners, featuring a

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  • Half-round Head Self-tapping Screw

    Half-round Head Self-tapping Screw

    Half-round head self-tapping screws combine aesthetics with high performance. Their semi-circular

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  • Pan Head Machine Screw

    Pan Head Machine Screw

    Pan head machine screws are a key category of machine-thread fasteners. Unlike self-tapping screws,

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  • Countersunk Machine Teeth

    Countersunk Machine Teeth

    Countersunk machine teeth are the premier choice for concealed assembly, featuring a head that sits

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  • Cylindrical Head Socket Screws

    Cylindrical Head Socket Screws

    Cylindrical head socket screws, typically featuring an internal hex drive, are a preferred solution

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  • Screw and Washer Assembly

    Screw and Washer Assembly

    The screw and washer assembly is an innovative fastener designed for efficient assembly. Its

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  • Machine Thread Three-piece Combination Screw

    Machine Thread Three-piece Combination Screw

    The machine thread three-piece combination screw represents a highly integrated fastening solution.

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  • Double-ended Screws

    Double-ended Screws

    Double-ended screws, also known as studs or threaded rods, are specialized machine-thread fasteners

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  • Hand-tightening Screws

    Hand-tightening Screws

    Products are highly user-friendly fasteners designed for tool-free operation. Their heads feature a

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  • Flathead External Hex Bolt

    Flathead External Hex Bolt

    Flathead external hex bolt are a core category of hex fasteners, distinguished by their low-profile

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  • Cylindrical Internal Hex Bolts

    Cylindrical Internal Hex Bolts

    Cylindrical internal hex bolts are the premier choice for precision, high-strength fastening,

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productcate-1200-864
Applications
  • Industrial equipment structural connections
  • Sheet metal parts and enclosure assembly
  • Automation equipment brackets and component fixing
  • Automotive parts and metal bracket connections
  • Electronic housings and internal support assembly
  • Construction hardware and metal component connections

Key Technical Parameters Overview

Item Details
Thread Size M1.6–M24
Length Range 4–300 mm
Material Carbon Steel / Alloy Steel / Stainless Steel 201 / 304 / 316
Strength Grade 4.8 / 8.8 / 10.9 / 12.9
Surface Finish Zinc Plated / Nickel Plated / Black Oxide / Dacromet / Ruspert
Coating Thickness 5–12 μm
Salt Spray Test 48–500+ hours
Standards DIN / ISO / GB / ASTM

Quality & Standards

 

 

Manufactured in accordance with DIN, ISO, ASTM, and EN standards, with full-process quality control and testing covering dimensions, threads, hardness, tensile performance, torque, coating thickness, and salt spray resistance to ensure stable and consistent product quality.

 

 

Key Advantages

Standard and Custom Fastener Supply

Standard fasteners and custom-made parts can be supplied for different specifications, structures, and application requirements.

Drawing- and Sample-Based Development

Products can be developed and produced according to drawings, samples, or technical requirements for non-standard and application-specific projects.

Multi-Process Manufacturing Support

Production can be matched with cold heading, CNC machining, thread rolling, heat treatment, and surface finishing to support both regular and complex parts.

International Standard Production

Products can be matched to different international standard systems according to product type, installation requirements, and project specifications.

Clear Quality Control Points

Inspection can cover dimensions, threads, hardness, tensile performance, torque, coating thickness, and salt spray performance for more direct quality verification.

 

Wide Industrial Application Coverage

Fasteners can be supplied for machinery, automotive parts, electronics, furniture hardware, structural assembly, and other industrial applications.

 

 

 

As one of the leading fastener enterprises in China, we warmly welcome you to buy discount fastener for sale here from our factory. All customized products are with high quality and low price. If you have any enquiry about quotation, please feel free to email us.

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