... 50HRC Excellent in quality standard or customized blank punch Productsprecision mould parts, standard and customized punches ... steel, alloy etc.Processing StandardsDEM, HASCO, MISUMI, PUNCH, SANKYO, DAYTONProcessed andTesting EquipmentsCenter-less grinder, surface grinder ... grinder, cylindrical grinder, Inner-aperture grinder, CNC grinding machine, CNC milling machine, polishing machine, engine lathe, ...