... A,B plate 1730,2311,2312,P20 )Material main core and cavity insertDIN2312,2738,2344,718,S136,8407,NAK80, ... SKD61,H13Hardness of steel46~56HRCMaterial for Slider ,Lifter and all sub insert use1.2767 ... Milling Machine, CNC Wire Cutting, Traditional Milling Machine, and Plastic Injection Molding Machine2. Plastic precision mouldWe sell percision plastic injection steel moulds ...