Is ideally suited for high-speed machining operations with its superior machinability, thread rolling and knurling characteristics. Its machinability rating of 100 is the standard against which all other copper alloys are rated It is easily soldered or brazed and has good resistance to corrosion. Typical applications include gears, pinions, plumbing ware fittings, valves, and screw machine products. Conforms to ASTM specification B16.