... ) Brass (H58, H59, H60) and etc.Main processMachining,turning,milling,drilling,grinding,boring,stamping,threading,tamping and etc.Tolerance +0.02 ... on. Production equipmentInstrument lathe , cnc lathe machine, CNC milling machine , Milling machine , Grinding machine , Tapping machine , threading rolling machine ,Drilling machine,Stamping machine and etc.Inspection equipment Profile projector ...