customized press die components 1,Materials: HSS M2, SKH 2,Tolerance:0.005mm ... life is 20,0000times 4,8-10 work days customized press die components specificationsType circular, Square Header , hexagonal , R-shaped…MaterialHSS M ... (Mainland)Machine TypePunching Machine Please specify the details of customized press die components as following when you inquiry1,The shape of punches ...