Blades for power tools; Centering drilling bits being parts of machines; Chucks for power drills; Drill chucks for power drills; Drilling machines and parts therefor; Milling cutters being machine tools; Milling cutters being parts of machines; Milling cutters for milling machines; Power drill bits; Power operated metalworking machine tools, namely, drilling tools; Power operated metalworking machine tools, namely, milling tools; Power tools, namely, end mills; Router bits; Screwdrivers, elec...