... -type drills and jagged bits, screw taps, milling cutters, broaching tools, piercing punches, ejector pins, twist drills, punches and taps ... , surgical instruments, reamers, countersinks, dowels, engraving tools, metal cutting saws, axles and shafts, toothed drills, scraping ... tools, gear cutters, mortice, wood chisels, guide rods. Heat ...