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Hexagonal Nuts Factory

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Hexagonal Nuts Manufacturers

The nut is a common fastener, its main function is to fix two parts together through a threaded connection, so as to improve the service life and reliability of the product. It can be round, hexagonal, or other in shape, and it can vary in size. Nuts are generally produced by cold heading or hot forging, and a few are directly processed by bar cutting. There are many kinds of raw materials for making nuts, such as carbon steel, stainless steel, copper alloy, etc. The surface treatment of the nut includes galvanized, chrome-plated, hot-dip galvanized, blackened, etc., which can be customized according to requirements. Generally, the different manufacturing standards of various countries can be divided into national standards, British standards, American standards, Japanese standards, Italian standards, European standards, and other standards. Nuts are used in a wide range of applications, including household appliances, automobiles, machinery, railways, and wind power.

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About Chengyue

Jiaxing Chengyue International Trade Co., Ltd. is China Hexagonal Nuts manufacturers and Square Nuts factory. Jiaxing Chengyue International Trade Co., Ltd is an industry-trade integrated enterprise from China. Currently, there are two factories that produce and sell fastener products and plastic packaging materials.
10 +

Production Experience

40 +

Technical Staff

8000 +

Annual Output

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Standard Fasteners - Nuts Industry Knowledge Extension

Application and Standard Specifications of Hexagonal Nuts in Automobile Manufacturing

1. Importance of Hexagonal Nuts in Automobile Manufacturing
Hexagonal Nuts are indispensable fasteners in automobile manufacturing and are widely used in the connection of components such as engines, chassis, body and interior.
The hexagonal design facilitates installation and removal using standard tools (such as wrenches or sockets), which is suitable for the efficient assembly needs of automobile production lines.

2. Main application scenarios
Engine system: used to fix key components such as cylinder heads, oil pans, intake and exhaust manifolds.
Chassis system: used for the connection of suspension systems, steering systems and braking systems.
Body structure: used for fastening of frames, doors, bumpers and other parts.
Electrical system: used for battery fixing, wiring harness brackets, etc.

3. Material and performance requirements
Common materials: carbon steel, alloy steel, stainless steel, etc., different materials are selected according to the use environment.
Surface treatment: galvanizing, phosphating, Dacromet, etc. to improve corrosion resistance and wear resistance.
Strength grade: According to ISO, DIN or ANSI standards, Hexagonal Nuts are divided into different strength grades (such as grade 8, grade 10, grade 12) to meet the force requirements of different parts of the car.

4. Standard Specifications
International standards: ISO 4032 (general hexagonal nuts), ISO 4161 (flange face hexagonal nuts), etc.
Industry standards: DIN 934 (German standard) and ANSI/ASME B18.2.2 (American standard) are commonly used in the automotive manufacturing industry.
Special standards in the automotive industry: For example, the proprietary standards of Ford, GM, Volkswagen and other automakers have stricter requirements on the size, tolerance and material properties of nuts.

5. Quality control and testing
Dimensional accuracy: Ensure the matching accuracy of nuts and bolts to avoid loosening or overtightening.
Torque test: Verify the torque performance of nuts during assembly to ensure connection reliability.
Salt spray test: Evaluate the corrosion resistance of nuts, especially the durability in harsh environments.