Name:Copper Mechanical Components 1.Advantage:Golden color 2.Min Tolerance:0 ... 4.Popular in Singapore,Ameica,CanadaOther specification of Copper Mechanical Components : GENERAL TOLERANCE (±mm)CNC Machining 0.005Turning0.005Grinding ... Brass, BronzePlasticPVC,Bakelite,Derlin, AS Derlin, Acrylic,Anti-Stalic, Acrylic,PC, Black Conductive Plastic, Telfon, NylonEngineering PlasticSemitron 410C ,S1000, PEEK ...