... part Product descriptionEquipment: planer type milling machine ,cnc milling machine ,milling machine ,drilling machine ,tapping maching,chamfering machine Material: Aluminum , Copper , Carbon steel , Stainless steel ... , Nylon , Lucite ect. Surface treatment: Zinc,Nickel,Chromate,CopperTin plating,Passivate,Anodize,Paint ...