... stated as follows:quenching for various hardware and tools, such as pliers, wrench, hammer, ax, screwing tools and shear( or chard shear) ... axes and gearQuench for machine tools, such as lache deck and guide rail.Quench for Various hardware metal parts and machined ... pieces, such as golf, ball head, cue, brass lock, hardware copper fitting, kitchen knife handle, blade, aluminum pan, aluminum pail ...