... overmold, insert mold, double colored mold, double stack mold ... Bottle caps embryo , molding,rapid mold,prototype mold,overmold,rotation mold,Cap ... mould,bottle cap mould,plastic cap mould1. mould material:steel s45/p20 ... automatic enjection5. hot treatment hardness:HRC50-62 degrees6. cavity:1-48cavities7. time of finish:45days