... , Details applications are stated as follows:1.Heat treating for various hardware and tools, such as pliers, wrench, hammer, ax, ... tools and shear( or chard shear)2.Heat treating for various automobile and motorcycle fittings, such as crankshaft, connection rod, pinton ... , rock arm shaft, small shaft and fork.3.Heat treating various electric tools, such as axes and gear4.Heat treating for machine ...