... , Material JIS SKD61 2, Heat treatment:Nitrided 3, I.H Inner Hardness:HRC42±2° 4, S.H Surface Hardness :HV9001000° 5 ... locating lock please refer to our company website.Shenzhen Datong Precision Metal Co., Ltd. is a specialized manufacturer of mold components ... DIN, AISI, JIS Standard in China. Established in 2002, Datong Precision had been certified according to ISO9001:2000 and turning into ...