Views: 0 Author: Site Editor Publish Time: 2023-03-17 Origin: Site
6 IN 1 Double Head Ratchet Wrench Set
The wrench is forged with 45# carbon steel, the overall heat treatment, the hardness is 40-45 degrees, and the surface is plated with pearl nickel; the headgear is made of 40Cr-V, the surface is blackened and heat-treated, the hardness is 44-48 degrees; the sleeve is formed by cold heading, the material is 40Cr-V, the hardness is 44-48 degrees, high strength and durable. CNC machine tools process the wrench and black gear with high precision and good torque.
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