punch and die tooling 1,Materials: HSS M2, SKH,ASP 2,Tolerance:0.005mm ... life is 20,0000times 4,8-10 working day punch and die tooling SpecificationsType circular, Square Header , hexagonal , R-shaped…MaterialHSS M ... (Mainland)Machine TypePunching Machine Please specify the details of punch and die tooling follows when you inquiry1,The shape of punches you ...