... to JP 4.ISO9001:2008 Precision thread stainless steel parts We are just a factory in Wuxi, China, maufacturing ... : 0.002mm 6.Angle clearance:R0.03mm Item Precision thread stainless steel parts Material Steel ,Stainless steel, Iron ,Aluminum ... CNC milling machine , Milling machine , Grinding machine , Tapping machine , Thread rolling machine , Drilling machine, Stamping machine and etc.Quantity control ...