metal forming dies 1,Materials: HSS M2, SKH9 2,Tolerance: less than 0.005mm 3,Working life: 20,0000times 4,8-10 work days metal forming dies SpecificationsType circular, Square Header , hexagonal , R-shaped…MaterialHSS M-2, SKH-9, SKD11,ASP23,ASP30...Surface TreatmentTIN TICN TIALN CRN ..Length Tolarance+/-0.01Diameter Tolerance+/-0.002HardnessHRC61°-63°Packing Quantity10Weight2.00Place Of ...