... steel 3.precision0.01mm CNC Precision machining Parts (precision part)1. Precision parts Product scope:precision parts, precision machining, machining parts2. ... conventional lathe machine, milling machine, drilling machining, stamping machine, EDM, wire cutting machine.4. Finishing ... roughness tester, hardness tester, concentricity tester6. Meet requirement:ROHS, CPK, etc.7. Min. order quantity: ...