GU 500

Tools being machine tools, in particular power operated metalworking machine tools, namely, drilling tools of hard cutting materials, drilling tools with removable inserts, drilling tools with soldered, cemented or otherwise firmly fixed inserts, drilling tools with removable drill bits, drilling tools with removable pilot, centre or guide drills, modular drilling tools, drilling tools with machine-side modular connections being points of intersection and separation; lengthening pieces being machine parts for drilling tools, namely extensions for drilling tools; removable and firmly fixed inserts of hard cutting materials for mechanical drilling tools, namely indexable inserts; supporting and guiding, adjustment and clamping elements being machine parts for mechanical drilling tools, namely, clamps and guides for use in the precision clamping of work materials