Punch, standard of DIN 8020A, Material: HSS(SKD11) and SKH51
Head hardness: HRC50+/- 5 degree
Body hardness: HRC64+/-2 degree
Borun is one of the largest die spring, ejector pin and punch manufactories in China supplying various mould components as well.
We are enjoying good reputation worldwide and marketing our products not only domestically but also internationally like Germany, Canada, Brazil, India, Chile, Egypt, Mexico, Malaysia, South Africa and Vietnam etc,
For many years experience in mould line, we make high quality-level products and guarantee the quality.
Die spring, ejector pin and punch.
