... Brass SizeH5.0* 14mmtolerance +/-0.01mmFinishGold platedprocess of producing 1) Automatic lathe, 2) BURR FREE ,3) Drilling 4)Nickel platedweight 8gUsefulelectronic ... plated, Tin plated, chrome plated,etcMachine equipmentcnc lathe,automatic lathe,hand lathe.thread rolling machine,tapping, drilling machine,molded flower machine, punching ...