Brand Name: Henghui Model Number: HH01005 Material:Carbide,SKD11,HSS,A2,M2,D2,ASP23,ASP60 Surface Treatment: TiCN,TiN, Aitain,Ticrn,Nitrided, Tolerance: 0.003mm-0.01mm Hardness: 60-62HRC Machine type: punching machine Certification: ISO9001:2008