... machine, circular grinding, centreless grinding, surface grinding, digital wire cutting,threading machine, sawing machine, CNC lathe,3) ... 5axis CNC center reach Tolerence:+/-0.02~0.05mmMaterialsstainless steel,alloy steel,aluminum,copper. etcSurface treatmentgalcanizationanodizingsand blastingdull polishPHOSPHATIZINGPOM ... for improving your original design. High quality +/-0.002 precision machining