Working principle and testing requirements of Allen wrench

The hexagonal wrench is usually equipped with a clamping handle at one or both ends of the handle. It can turn the opening or sleeve hole of the bolt or nut holding the bolt or nut by applying external force. When in use, the bolt or nut can be turned by applying external force on the handle in the direction of thread rotation.

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The safety of Allen wrench is superior

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Ningbo Haogong Tools Co., Ltd. is an industry and trade integrated enterprise with more than 17 years of production and operation history

2022/01/25

Ningbo Haogong Tools Co., Ltd. is an industry and trade integrated enterprise with more than 17 years of production and operation history

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The company specializes in producing various Allen wrenches, box wrenches, T-shaped wrenches, multi-functional folding wrenches, screwdrivers, belt punches, center punches, steel numbers, etc

2021/09/26

The company specializes in producing various Allen wrenches, box wrenches, T-shaped wrenches, multi-functional folding wrenches, screwdrivers, belt punches, center punches, steel numbers, etc

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The company has obtained ISO9001 certification, German VPA/GS certification and CE certification, and its products are sold to Europe, the United States, Japan, South Korea and other countries and regions.

2021/09/26

The company has obtained ISO9001 certification, German VPA/GS certification and CE certification, and its products are sold to Europe, the United States, Japan, South Korea and other countries and regions.

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