... Increased using life mould parts with high quality core holder 1.core holder material:s45c+brass2.has angle of ... Straight slide interlocks, Square interlock,Tapered interlocks, Taper pin sets . Ejector devices: Two-stage ejector, Accelerated knock ... Ejector Series: Ejector pin, Ejector blades ,Shouldered ejector pins,Ejectorsleeves, Leader pin/Guide pin, Guide bush, Angle pin,Shoulder guide bushing, ...