cold forging die and tool 1,Materials: HSS M2, SKH,ASP 2,Tolerance:0.005mm ... 20,0000times 4,8-10 working day cold forging die and toolType circular, Square Header , hexagonal , R-shaped…MaterialHSS M-2 ... TypePunching Machine Please specify the details of cold forging die and tool follows when you inquiry1,The shape of punches you need ...