... punchdie-the pierce punches,punch die,pierce die inserts for fin die,-produced by ... ,locking blocksApplied inautomobile die, precision plastic mould,punch die, air conditioning fin die, semi ... PUNCH, SANKYO, DAYTONProcessed andTesting EquipmentsCenterless grinder, surface grinder,internal grinder,Cylindrical grinder,Inner-aperture grinder, CNC grinding machine,CNC milling machine, polishing machine ...