Hangzhou Guangsi Fasteners Co., Ltd.

Nut

Basic Introduction
 

Nuts are essential fastening components used together with bolts, studs, and screws to secure, tighten, and assemble different parts and structures. Common types include hex nuts, flange nuts, nylon lock nuts, cap nuts, wing nuts, square nuts, and various custom nuts, making them widely used in machinery, automotive parts, steel structures, electrical equipment, construction hardware, and industrial assembly applications.

 

 

 

  • Hex Nuts

    Hex Nuts

    Hex nuts are the quintessential and most widely used companion fasteners. Their simple yet

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  • Nylon Insert Nuts

    Nylon Insert Nuts

    Nylon insert nuts, often called nylon nuts, are specialized vibration-resistant fasteners. Their

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  • Hexagonal Metal Lock Nuts

    Hexagonal Metal Lock Nuts

    Product Type: All-Metal Lock Nut (e.g., Toplock, Stover). Materials: Alloy Steel 40Cr/35CrMo,

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  • Hexagonal Thin Nuts

    Hexagonal Thin Nuts

    Hexagonal thin nuts are specialized fasteners designed with a significantly reduced height profile

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  • Flat Flange Nuts

    Flat Flange Nuts

    Flat flange nuts are advanced fasteners that combine a standard hex nut with an integrated, wide,

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  • Toothed Flange Nuts

    Toothed Flange Nuts

    Toothed flange nuts are high-performance anti-loosening fasteners. They feature a standard hex body

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  • Cap Nut

    Cap Nut

    Products, also known as acorn nuts, are fasteners that combine protection with decorative appeal.

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  • Blind Hole Insert Nut

    Blind Hole Insert Nut

    Blind hole insert nuts are specialized brass fasteners designed to be pressed or molded into a host

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  • Through-hole Knurled Copper Nuts

    Through-hole Knurled Copper Nuts

    Through-hole knurled copper nuts are the counterpart to blind hole inserts, featuring a

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productcate-1296-800
Applications
  • Locking and assembly of machinery connection parts
  • Fixing and fastening of steel structures and metal components
  • Installation of automotive parts and brackets
  • Fixing of electrical enclosures and installation parts
  • Connection of construction hardware and engineering accessories
  • Assembly of industrial structural parts and stud systems

 

Key Technical Parameters Overview

Item Details
Thread Size M3–M30
Thickness Range 2–40 mm
Material Carbon Steel / Alloy Steel / Stainless Steel 201 / 304 / 316 / Brass
Property Class 4 / 5 / 6 / 8 / 10 / 12
Thread Type Coarse Thread / Fine Thread / Machine Thread
Product Type Hex Nut / Flange Nut / Nylon Lock Nut / Cap Nut / Wing Nut / Square Nut
Surface Finish Zinc Plated / Hot-Dip Galvanized / Black Oxide / Nickel Plated / Dacromet / Geomet
Coating Thickness 5–80 μm
Salt Spray Test 48–1000+ hours
Standards DIN / ISO / GB / ASTM

 

 
Our Advantages
 
01/

Different nut types can be supplied to match various connection structures, installation methods, and locking requirements.

02/

Standard nuts can be supplied for regular purchasing needs, while custom nuts can be developed according to drawings, samples, or specific assembly requirements.

03/

Material, property class, and surface finish can be matched according to load requirements, corrosion resistance targets, and service environments.

04/

Nuts can be used together with bolts, studs, and other fasteners in machinery, steel structures, automotive parts, and industrial assembly applications.

05/

Different thread sizes, thicknesses, and structural types can be supplied to support both standard purchasing and project-based applications.

06/

Quality control focuses on dimensions, thread accuracy, property class, coating thickness, and salt spray performance for clearer specification confirmation and product selection.

Quality & Standards

 

Manufactured according to DIN, ISO, GB, and ASTM standards, with testing covering dimensions, thread accuracy, property class, coating thickness, and salt spray resistance to ensure the stability and consistency of different nut products in fastening applications.

 

 

 

 

As one of the leading nut enterprises in China, we warmly welcome you to buy discount nut 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.

Hex Nuts, Hexagonal Thin Nuts, Through hole Knurled Copper Nuts
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