... .finish:oxidation 4.tolerance:+-0.01 Equipmentplaner type milling machine ,cnc milling machine ,milling machine ,drilling machine ,tapping maching,chamfering machine and so on ... , CNC processsing, Punching, Riveting, Bending, Cutting, Welding, Threading, Grinding, Milling, Machining, Drilling, Assembly, etc Production capacity30,000~1,000,000 pcs per ...