Nut Manufacturer | Custom Nut | OEM/ODM Fastener Factory

 

As a nut manufacturer with over 19 years of industry experience, Huizhou Zeyao Hardware Products Co., Ltd. produces a wide range of custom fasteners, including screws, bolts, nuts, washers, pins, gaskets, supports, rivets, and CNC milled and CNC turned parts. Our products are widely used in numerous industries, including automotive, electronics, construction, aerospace, industrial machinery, medical devices, furniture, home furnishings, and rail transport, providing consistent quality and performance across various applications.

 

The Zeyao nut factory is equipped with advanced cold heading and CNC machining technologies, ensuring that every product meets stringent international standards, achieving excellence in precision, durability, and reliability. Whether you need standard nuts or nuts tailored for specific engineering applications, our team of experts can provide solutions that exceed expectations.

Cold forging

 

  • Closed End Rivet Nut
    Thread type: Metric/UNC/UNF
    Size range: M3 – M12 (custom sizes available)
    Material: Carbon steel
    Body shape: Round
    Customization: OEM/ODM
    Packaging: Bulk, small box, OEM packaging
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  • Din934 Hex Nut
    Standard: DIN 934
    Drive type: Hexagonal
    Material: Carbon steel
    Customization: OEM/ODM
    Certifications: ISO 9001, RoHS, REACH
    MOQ: 5000 pieces
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  • Hex Threaded Insert
    Type: hex threaded insert
    Material: Stainless Steel 304 / 316
    Thread Type: Internal Thread
    Outer Shape: Hex Body
    Function: Stable Internal Thread, Anti-Rotation, Repeated...
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  • Metric Hex Nut
    Thread: Metric Thread
    Thread Size: M3 – M64 (Custom sizes available)
    Material: Carbon Steel
    Customization: OEM/ODM
    Manufacturer: Zeyao Hardware FactoryMOQ: Negotiable
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  • Stainless Steel Hex Insert
    Material: Stainless steel
    Thread type: Metric / UNC / UNF
    Customization: OEM/ODM
    Surface treatment: Natural / Passivated / Customized
    Certifications: ISO9001 / RoHS / REACH
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  • Stainless Steel Hex Nut
    Product Type: Hex Nut
    Material: Stainless Steel
    Customization: OEM/ODM
    MOQ: 1000 pieces
    Thread Type: Metric Coarse / Fine / Imperial UNC / UNF
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  • DIN557 Square Nut
    Square Nut, DIN557 Nut
    Thread Size: Metric & Inch
    Material: Carbon Steel & Stainless Steel
    Finish: Plain, Black Oxide, Nickel, Zinc, etc.
    Head Type: Square Head
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  • Threaded Sleeve Insert
    Heat Stake Insert; Brass Insert Nut
    Material: Brass
    Finish: Plain
    Size: Metric & Inch
    Types: Customized
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  • Heat Staking Insert
    Heat Insert, Injection Insert Nut
    Thread Size: Metric & Inch
    Material: Brass & Stainless Steel
    Finish: Plain, Nickel, Zinc, etc.
    Head Type: Knurled Head
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  • Slotted Tapping Insert
    Threaded Insert, Slotted Insert Nut
    Thread Size: Metric & Inch
    Material: Carbon Steel & Stainless Steel
    Finish: Plain, Nickel, Zinc, etc.
    Head Type: Knurled Head
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  • GB806 Knurled Thumb Nut
    Knurled Thumb Nut, Knurled Shoulder Nut
    Thread Size: Metric & Inch
    Material: Carbon Steel, Brass & Stainless Steel
    Finish: Plain, Nickel, Zinc, etc.
    Head Type: Knurled Head
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  • Aluminum Knurled Thumb Nut
    Thumb Nut; Knurled Nut
    Material: Aluminum
    Finish: Anodizing
    Size: Metric & Inch
    Types: Customized
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Specification

Diameter
D

Pitch
P

M

H

S

M3

0.5

2.8 - 3.2

3.6 - 4

5.5

M4

0.7

3.4 - 3.6

4.5 - 5

6.8

M5

0.8

3.5 - 3.7

4.5 - 5

7.85

M6

1

4 - 4.2

5.7 - 5.8

9.8

M8

1.25

5.2 - 5.5

7 - 7.2

12.9

M10

1.5

6.7 - 6.9

9.1 - 9.3

16.6

M12

1.75

7.6 - 7.9

10.5 - 11

18.6

M14

2

9.2 - 9.8

13

21.86

M16

2

10.5 - 10.7

15.1

23.7

M20

2.5

14 - 14.3

17.3

29.6

 

Applications of Nut

 

Construction and Infrastructure

One of the most prominent uses of bolts and nuts is in the construction and infrastructure sector. They are fundamental in assembling steel frameworks of buildings, bridges, and other structures.

Automotive Industry

In the automotive industry, bolts and nuts play a vital role in vehicle manufacturing and maintenance. They are used extensively to assemble engines, chassis, and other critical components.

Aerospace Industry

The aerospace industry demands the highest standards of precision and reliability, making bolts and nuts essential components in aircraft assembly and maintenance.

Manufacturing and Machinery

In the manufacturing sector, bolts and nuts are ubiquitous in the assembly and maintenance of machinery and equipment. They are used to join various components, ensuring that machines operate efficiently and safely.

Renewable Energy

The renewable energy sector relies heavily on bolts and nuts to assemble and maintain various types of equipment, including wind turbines, solar panels, and hydroelectric systems.

Home Improvement and DIY

Bolts and nuts are commonly used in home improvement and DIY projects. They are essential for assembling furniture, mounting shelves, and securing fixtures.

Agriculture and Farming

In agriculture and farming, bolts and nuts are used to assemble and maintain various types of equipment and machinery.

Marine and Offshore

The marine and offshore industries use bolts and nuts extensively to assemble and maintain ships, oil rigs, and other structures. These fasteners must be resistant to corrosion and able to withstand harsh marine environments.

Electronics and Appliances

Bolts and nuts are used in the assembly of electronic devices and household appliances. They provide secure and precise connections that ensure the proper functioning of these products.

Nuts vs. Bolts: Key Differences
 

Nuts

Bolts

Function

Nuts complement bolts by providing the necessary tension.

Bolts are used to hold materials together by passing through pre-drilled holes and being fastened with a nut on the other side.

Structure

Nuts have internal threads and are typically hexagonal to fit a wrench.

Bolts have external threads and a head for applying torque

Application

Nuts are paired with bolts to achieve this secure fastening.

Bolts are used where parts need to be held together strongly and can be tightened with tools.

 

Why Choose Us as Your Nut Supplier?

19 Years of Industry Experience

With nearly two decades of industry experience, we are experts in fastener thread precision control. Our deep industry knowledge allows us to provide professional technical advice, optimizing the safety and efficiency of your assemblies.

Advanced Manufacturing & Nut Factory

Our factory boasts over 160 production machines, including cold heading machines and precision tapping machines. These facilities enable us to maintain large-scale production capacity while ensuring zero-defect quality control for every batch of wholesale nuts.

Comprehensive Custom Nut Services

We excel at providing OEM/ODM solutions. From non-standard sizes and special pitches to special materials such as titanium alloys or high-temperature alloys, we can produce precise custom nuts to meet your project requirements.

Highly Competitive Wholesale Prices

By managing the entire production chain from raw material sourcing to final coating, we eliminate intermediary costs. This allows us to offer highly competitive wholesale nut prices for large orders without compromising material grades or performance.

Strict Quality Control and Certification

Our factory is ISO 9001 certified. We conduct rigorous testing, including tensile strength testing, salt spray corrosion analysis, and 100% thread gauge inspection, ensuring our position as a reliable nut supplier for critical applications.

Global Logistics and Rapid Response

We understand the importance of supply chain stability. Our team provides 24/7 support and efficient global shipping solutions to ensure your wholesale nut supply arrives on time.

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Threading 4

 

 

Our Certificate

 

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FAQ

 

Q: How do I choose a bolt nut?

A: The nut should always be stronger than the bolt, so when using higher strength bolts, such as metric class 10.9, make sure to use the correct, corresponding nut. In this case, a class 10 nut would be correct. Stronger nuts may be used with lower strength bolts without any problems.

Q: How do you find the correct size of a bolt?

A: Choosing Your Size. To help choose the right size, you will need to measure your bust, waist and hip. Use a tape measure over your underwear or form fitting clothing and compare your body measurements with those on our size chart, choosing the size that closest matches your measurements.

Q: What is the hardest grade of bolt?

A: Steel fasteners are commonly available in four grades that are broken into the following categories: 2, 5, 8 and 18-8 stainless (commonly referred to simply as alloy steel). Grade 8 is the hardest, Grade 5 is medium, and Grade 2 is the softest.

Q: What is the weakest part of a bolt?

A: Bolt fracture surface – a typical bolt fracture occurs just beneath the head or in the first load-carrying threads. Corrosion and other conditions can affect the life of a bolt.

Q: What type of bolt has no head?

A: Hanger bolts are headless bolts with different types of threads at each end. One end features lag screw threading, while the other end has machine screw threading with a blunt tip. These bolts are made from materials such as stainless steel, zinc-plated steel, galvanized steel, and brass.

Q: What does the T in bolts stand for?

A: Tensile strength is the amount of stress or load that the fastener can withstand by a material before it stretches and breaks. The tensile strength is tested by applying mechanical loads to the fastener.

 

We're professional nut manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to wholesale customized nut made in China here from our factory.

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