blank punch precision parts for mould process as drawings Material-SKD61, hardness-45-50HRC Excellent in quality standard or customized blank punch Productsprecision mould parts, standard and customized punches, guide pins, guide bushings, ejector pins, ejector sleeves, die insertsApplied inautomobile mould, precision plastic mould, die, air conditioning fin die, semi-conduct encapsulation mould, ...