... ,then process by CNC Precision Parts:1)Material: Steel,stainless steel,copper,brass,aluminum,nonferrous metal alloy,hard alloy, high ... by CNC5) Advanced workmanship, fitting tool, fixture, cutting tool.6)Precision machining capability: a) Machine's rotating speed: 5, 000rpm ... - 30, 000rpmb) Machining precision tolerance: 0.005 - 0.01mmc) Roughness value: < Ra 0. ...