... is usually usde for metal brazing, forging, casting, tempering, heating and ect. Application of handheld induction heater:A. Heating ... , screwing tools and shear (orchard shear).2.Quench for various automobile and motorcycle fittings, such as crankshaft, ... as hardware toilet and kitchen products, refrigerating copper fitting, lamp decoration fitting, precision mold fitting, hardware handle, eggbeater, ...