... factory -On-time delivery -Offer lifetime & After service support Iron plastic shell mould As a experienced Injection mold,Die casting ... ,B plate 1730,2311,2312,P20 )3Material main core and cavity insertDIN2312,2738,2344,718,S136,8407,NAK80,SKD61,H134Hardness ... of steel46~56HRC5Material for Slider ,Lifter and all sub insert use1.2767 HRC6CavitySingle-cavity ,Multi-cavity7A ...