... design mould 1,Materials: HSS M2, SKH9, SKD11 2,Tolerance:0.005mm 3,Working life is 20,0000times 4,8 ... -10 work day punch and die design mould SpecificationsType circular, Square Header , ... Please specify the details of punch die design mould as follows when you inquiry1,The shape of ... size ,for example:M2.0,D 14*25.4,The surface coating type ,for example:Tin,Ticn5, ...