... : aluminum, steel, stainless steel, carbon steel, copper, alloy.2. Finish: zinc plated, chrome, polish, nickel, etc..3. Size: 8m of max ... of max diameter.4. Tolerances: +/- 0.005mm.5. Process: metal fabrication, machining, welding, forming, shaping, drilling, turning, milling, grinding, chip formatting ... devices, Audio, etc..9. 100% inspection before packaging. CNC machine part