... steel, Brass, Bronze, Copper, Aluminum, Plastic, or customer specified. 3.Finish: Anodizing, Conversion Coating, Nickel plating, Zinc Plating, Chemical ... Polishing, Electric Polishing, Mechanical Polishing, Powder Coating, Painting, Glass bead blast, Sand blast, Passivation, Chemical ... 3010Torque testerChina0-18N1 CNC machined customized precision plastic part