Custom Titanium CNC Machining Parts Aluminum Fabrication Parts Black Anodizing Industrial Brass Copper CNC Mechanical Part 0.02mm-0.01mm Custom Mechanical Titanium CNC Custom copper parts are used for the production of copper motorcycle parts to achieve a CNC Milling Brass Parts Precision Machining Copper Parts Custom Services. Brass (HPb62, Copper wire, rods, valves, electrical connectors, hydraulic tubing, radiatorponents, are just a sampling of the Machined Copper Parts we have produced. Copper is ductile, easily Appude heat exchangers, radiators, valves, and electrical connectors. Advantages. Thermally conductive, electrically conductive, corrosion-resistant.