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​Another benefit of using the Screw Second Punch is its versatility.

Screw Header Hexagon Stretch-Rod-Series is made of tungsten steel round sticks. It has the characteristics of high accuracy, high hardness and good bending strength.

Some mold materials and steel materials are very good, often because the mold structure design is unreasonable, such as thin edges, sharp corners, grooves, abrupt steps, thick and thin disparity, etc., causing large deformation of the mold after heat treatment.