... ).Materials: Stainless steel ,cold rolled steel ,spring steel ,aluminum alloy, brass, bronze, copper, plastic ,POM, ABS , according to customer request4).Finish ... (Payment Terms/Shipment Terms/Lead time):TypePrecision CNC machining partMaterials:Aluminum alloy, stainless steel , brassMaterial GradeGB,ASTM,AISI,DIN,BS ... /OD Grinding 0.002Wire-Cutting 0.002 Machining Part aluminum precision turned parts