... samples.3).Materials: Stainless steel ,cold rolled steel ,spring steel ,aluminum alloy, brass, bronze, copper, plastic ,POM, ABS , according ... Payment Terms/Shipment Terms/Lead time):TypePrecision CNC machining partMaterials:Aluminum alloy, stainless steel , brassMaterial GradeGB,ASTM,AISI,DIN,BS ... 0.002Wire-Cutting 0.002 machining part aluminum cooling fin CPU heatsink aluminum ,aluminum radiator