... EDM : 0.002mm 6.Angle clearance:R0.03mm Item Customized cnc sample parts Material Steel ,Stainless steel, Iron ,Aluminum, ... turning,milling,drilling,grinding,boring,stamping,threading, tamping and etc.Production equipmentInstrument lathe, CNC lathes machine , CNC milling machine , Milling machine , Grinding machine , Tapping machine , Thread rolling machine , Drilling machine, Stamping machine and ...