7 TOOLS AND TOOL HOLDERS FOR USE IN POWER OPERATED MACHINES-NAMELY, SOLID CARBIDE OR CARBIDE TIPPED DRILLS, MASONRY DRILLS, MILLING CUTTERS, REAMERS, COUNTERBORES, COUNTERSINKS, ROUTER BITS, BURS, END MILLS, SHELL MILLS, SIDE MILLS, SINGLE POINT TOOLS, BORING BARS AND CUTTING INSERTS