... 1730,2311,2312,P20 )Material main core and cavity insertDIN2312,2738,2344,718,S136,8407,NAK80,SKD61,H13Hardness ... Slider ,Lifter and all sub insert use1.2767 HRCCavitySingle-cavity ,Multi-cavityA surface request:EDM & High PolishGateCold runner, ... ,Mass production,Engineering,Plastic injection,Plastic tooling,Export mold,Auto mold,Two color injection molding,Office plastic product,Plastic electronic ...