... machining, according to customers' drawings or samples.3).Materials: Stainless steel ,col-rolled steel ,spring steel ,aluminum alloy, brass, bronze, copper, plastic ,according to ... machiningTolerance:0.005mmSurface Roughness Ra0.2-1.6SoftwarePro/E, AutoCAD ,Solid work, UG,CAD,CAMAnnual Capacity:2,000,000pcsMOQ:10pcsLead Time ...