Bosch 2608588153 CYL-5 Drill Bit for Concrete and Stone 8mmMaster demanding drilling projects in concrete and stone with the Bosch 2608588153 CYL-5 Concrete Drill Bit. This 8mm diameter bit delivers exceptional performance and extended lifespan, making it the perfect choice for professionals and serious DIYers.Ideal for drilling holes in a variety of hard materials, including:Concrete (foundations, slabs, walls)Natural stone (granite, limestone)Masonry (bricks, blocks)Roof tilesFeatures:Featuring a unique combination of Bosch's in-house carbide blend and diamond-ground cutting edges, the CYL-5 boasts exceptional wear resistanceThis translates to a longer bit lifespan, saving you money on replacements and maximising productivity on tough drilling jobsThe 2-flute Vario design with a short, variable incline minimises friction during drilling.