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1.HQ punch used  special high-speed steel, add the alloy composition, punch life more longer.

2.Inner side of die is designed as circular arc, load bearing strength of the blade better , increase the service life.

3.No Slug die design as cutting edge concave emboss, eliminate slug pulling and floating.

4.Guide surface lubrication groove design, graphite processing to reduce the abrasion of punch turret hole.