Machine operated tools for all kinds of materials, namely, burrs, twist drills, center drills, step drills, hole cutters, solid carbide drills, stone drills, flow drills, taps, dies for use with machine tools, holders for use with dies, counterbores, countersinks, reamers, saw blades, shell endmills, roughing endmills, endmills with shanks, milling tools and parts therefor namely milling cutters, heads and treadmills and indexable inserts therefor, power operated clamping tools and parts therefor, namely fastener collets, lathe chucks, driving centers, namely, machining centers for metal working machines and lathe chucks for turning and driving stock, metal replacement nuts for adjusting machining of work pieces for power operated tools, metal spacers for adjusting machining of work pieces for power operated tools, spindles for power boring heads for machining work pieces, power operated metal vice jaws for holding machining work pieces, collet fixtures, machine vises, drill chucks, milling chucks, magnetic chucks, parallels, arbors, clamps used for holding piece parts on machine tool tables, v-blocks, power operated tool presetters for positioning work pieces on machine tool tables, power operated filing, grinding and sawing tools and parts therefor, namely high speed steel engraving scribers, milling pins, grinding pins, abrasive discs, saw blades and saws, abrasives cup brushes, wheel brushes, power operated hand tools, namely screw drivers, wrenches, sockets and bits for power drilling and driving tools, tool bits for machines; machines and machine tools for metalworking, woodworking and plastic processing, in particular battery machines, drilling machines, angle grinders, hand-held sawing machines, belt sanding machines, core drilling machines, compressed air machines