Longer service life in concrete and reinforcement thanks to the stabilised head geometry and rounded cutting edges. Patented double-edge cutting design according to the bionic principle. Innovative Twinmax 3D spiral profile provides the ideal removal of drill dust. Certified by the Prüfgemeinschaft Mauerbohrer (PGM) in accordance with the requirements of the Deutsches Institut für Bautechnik. (DiBt). Fields of application: for granite, concrete, concrete reinforcement, clinker, stone, brickwork and marble. In all hammer drills with SDS-plus adaptor and 2-groove adaptor such as Hilti TE 10-22.