metal forming dies 1,Materials: HSS M2, SKH9 2,Tolerance: ... 3,Working life: 20,0000times 4,8-10 work days metal forming dies SpecificationsType circular, Square Header , hexagonal , R- ... Please specify the details of metal forming dies as follows when you inquiry1,The shape of punches you need.2,The ... material of punches you want to use or the ...