E-mail: amanda@fmsfastener.com
Tel: 008617531133527
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FIMOUS FASTENER

Address: Zhongyuan Building ,Hebei,China

Tel: 008617531133527

Email :amanda@fmsfastener.com

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How to Make Bolts and Nuts
2019-08-15 03:31:38

Process Flow Diagram

High strength fastener for cold forging

 

RemoveRust→Annealing →  Wire drawing→  Cold forging → Thread rolling →Heat treatment→ Surface treatment →  fastener inspection → packing




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