... 1 PCS 2.Shape: round, rectangular, oblong, striangular 3.Highly precision, longer service life Mould pin surface finish better than ... few mmadvances high-technologic machines to assure the qualitypunch pin applied in the punching mold and sophisticated wear-resistance ... Which are used in precision punch mould, Plastic mould, connector mould, Die casting mould, Semiconductor mould and other automatic ...