... the automobile and motorcycle parts 5. Surface quenching of the machine tool guide rail Detail ApplicationA. Quench for various hardware and ... and motorcycle fittings, such as crankshaft, connecting rod, piston pin, chain wheel, aluminum wheel, valve, rock arm shaft, semi drive shaft ... hardware metal parts and machined parts, such as shaft, gear (chain wheel), cam, chuck and clamp etc.F. Quench for ...