Concrete Reinforced concrete Limestone Clinker Stone ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ Tried and tested in concrete and stone! ̈ For all concrete and stone applications ̈ Effective removal of dust thanks to aggressive tip and spiral design ̈ Certified by the Prüfgemeinschaft Mauerbohrer (PGM) in accordance with the requirements of the Deutsches Institut für Bautechnik (DIBt) EXTREM ROBUST PATENTED DESIGN 2017 Prefix SDS-plus HAMMER DRILL BIT 4 Sizes Diameter 4.0 mm - 25.0 mm Total length 110 mm - 450 mm