... Detail applications are stated as follows:Quench for various hardware and tools, such as pliers, wrench, hammer, ax, screwing tools and ... . Various electric tools, such as axes and gear. Quench for machine tools, such as lache deck and guide rail. Quench ... .Welding of various hardware cutting tools, such as diamond tool, abrasive tool, drilling tool, alloy saw blade, hard alloy cutter, milling cutter, ...