... .Used for Compressing Mold Parts 2.SKH51,Carbide, SKD61,SKD11,NAK80,P20,S45C etc. 3.Misumi&Punch Standar 1. About Yukai: Yukai Precision Mold ... precise standard mould components, which are used in precision punch mould, plastic mould, die casting mould, semiconductor mould and other automatic parts ...