... the surface Product No./NameJJ-00205 / CNC machining part for electronic component Machining ... machining, turning, milling, tapping, drilling, polishing, punching, etc... 4) Tolerance: +/-0.002 cm5) Appliacation Fields: engine parts ... black)plating, hot galvanized, painting, Anodize, electrophoresis, sandblasting etc...6) Tolerance: +/- 0.0005 inch, also accord with GB6414 CNC machining part for ...