POWER OPERATED MACHINE TOOLS, NAMELY, DRILLS, CUTTERS, REAMERS AND LATHE TOOLS; TOOL BLANKS IN THE NATURE OF DRILL BITS, ROTATING CUTTING TOOLS AND UNCOATED OR CHEMICAL VAPOR DEPOSITION OR PLASMA VAPOR DEPOSITION COATED CUTTING INSERTS OR BITS MADE OF SINTERED HARD CARBIDE OR HEAT OR SURFACE TREATED METAL, ALL FOR POWER OPERATED MACHINE TOOLS FOR METAL REMOVAL BY THREADING