Power operated precision machine tools formed of hard metals and including cutting surfaces having diamond, ceramic, boron nitride, solid carbide and aramid fiber portions, drills and countersinks, milling machines and cutters, saw blades, namely circular saw blades and slitting saw blades; reamers; tool holders for precision machine tools, namely, shank holders, chucks, and hydraulic expansion chucks; spindles for drilling, milling and grinding machines and spindle components including spindle rotors, cooling for motor drives, ear bearings, frequency converters and liquid cooling systems for tools; holding fixtures, tool chucks, and tool change equipment; lathes, grinding machines; cutting tools in the nature of engraving machines; parts for machine tools, namely cutting material inserts, cutting discs, milling discs, drill bushes, boring and milling heads, power operated grinding wheels, cutting bushes, and cutting and die rings

[ Hand tools, namely, hard metal hand drills, diamond drills, ceramic drills, boron nitride drills, drill bits, countersinks of carbide, aramid fibers and hard metal; hand milling tools, engraving bits, chucking reamers, stub reamers; milling cutters, punches, drill bushings, bushing inserts, tube drill bits, milling cutters, face milling cutters, grooving milling cutters, angular cutters, end milling cutters, slot end mills and reamers ]