Block punches

Block punches,

① Material ：D2,1.2379,SKD11  Hardness ：60-62HRC

②Material ：M2,HSS,1.3343,SKH51 Hardness ：61-64HRC

③Material ：HAP40(SKH40) Hardness ：64-67HRC,Various materials may be used depending on specific operating condition. The imported materials subject to advanced heat treatment and precision abrasive machining ensure premium quality, high dimensional precision, good abrasion resistance, high toughness and non-bending, non-distortion, resulting in significant increasing of punching life.