... 2: reduce defective products, improve product appearance and quality. 3: save plastic raw materials and labor cost; 4: eliminate the subsequent process ... 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 HRCCavitySingle-cavity or Multi- ...