GZ

cutting devices being parts of machines; drilling devices in the nature of power drilling bits being parts of machines; bits for power drills; abrading devices in the nature of abrasive disks, abrasive wheels, or abrasive belts being parts of machines; sharpening devices in the nature of grindstones or sharpening wheels being parts of machines; drill sharpening machines; surface treating devices in the nature of industrial brushes, electrically operated brushes and polishing discs being parts of machines; machines and machine tools for the cutting of materials; power-operated recessing tools for metalworking; power-operated piercing tools for metalworking being parts of machine-driven machines; chucks for power drills; chucks being machine parts, namely, chucks for power drills; drill chucks for power drills; machine tool holders; modular couplings for machines