1,Material,SKH51 Hardness,61-64HRC 2,Material,HAP40(SKH40) Hardness ,64-67HRC The imported mate
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.