... brazing, forging, casting, tempering, heating and ect. Application of handheld induction heater:A. Heating (hot forging, hot fitting and ... fastener, fabricated mechanical part, bronze lock, rivet, steel pin and pin.2. Hot fitting refers to the connection of different metals ... and motorcycle fittings, such as crankshaft, connecting rod, piston pin, chain wheel, aluminum wheel, valve, rock arm shaft, ...