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How do you check screws

Time：2022-08-17

There are two kinds of screw surface inspection, one is the inspection before the plating of screws after produc

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What is the production process of screws?

Time：2022-08-17

Screw production process (1)- annealingOne, purpose: heat the wire to the appropriate temperature, keep a certain

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The development history of rivets

Time：2022-08-17

Early rivets were small studs made of wood or bone, and early metallic shapes may be the ancestors of rivets a

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Types and uses of rivets

Time：2022-08-17

Commonly used are R rivet, fan rivet, pull core rivet (break core rivet), tree rivet, half round head, flat hea

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