PUNCH

STANDARD PARTS FOR PRESS DIES
Material £ºSKD11 Hardness £º60-63HRC Material £ºSKH51 Hardness £º61-64HRC Material £ºHAP40(SKH40) Hardness £º64-67HRC ,Vacuum furnace heat treatment and advanced tempering technology enable SKD11 as better properties in toughness, grind-resistance and hardness at high temperature compared to SKD11 and SKD12. The strength at the joint part of shoulder and pin has been significantly increased.