... quenching, annealing and tempering. Such as hammers, knives, scissors, pliers and various types of shafts, cams, sprockets, gears ... milling, planer, reamer, diamond saw blade, saw welding. Grinding, drilling, cutting welding. Other hybrid welding of metallic materials. ... toothed weld, Saw tooth weld, grinding machine tool welds, drill the machine tool welds blade tool welds .The other metals material ...