stamping die 1,Materials: HSS M2, SKH9, ASP 2,Tolerance: ... ,Working life: 20,0000times 4,8-10 work days stamping die specificationsType circular, Square Header , hexagonal , R-shaped…MaterialHSS ... )Machine TypePunching Machine Please specify the details of stamping die follows when you inquiry1,The shape of punches you ... :M2.0,D 14*25.4,The surface coating type ,for example:Tin,Ticn5,It is the best to ...