... hardness-45-50HRC Excellent in quality standard or customized blank punch Productsprecision mould parts, standard and customized punches, guide pins, guide bushings, ... steel, alloy etc.Processing StandardsDEM, HASCO, MISUMI, PUNCH, SANKYO, DAYTONProcessed andTesting EquipmentsCenter-less grinder, surface grinder ... or Minus tolerances.2. Type of material and hardness needed.3. Part application.4. Target ...