... ,1.2080 1.More than 20 years of production experiences 2.Black or machined surface Cold Work Tool Steel Cr12,D3, SKD1 ,1 ... .2080Characteristics:1.A kind of widely used cold work tool steel, belong to carbon chromium ledeburitic steel.2 ... and punch, cold shearing ,drilling bushing ,gauge, wortle, coining die,thread rolling die, screw thread rolling die and so on, which are ...