Up to 5 times more accurate than a standard drill - Modern construction sites require working with many different materials and you never know what you'll need to drill next. Finding the right drill bit can be difficult and time consuming - unless you have the Expert MultiConstruction drill bit. This extremely versatile drill allows for precise drilling in hard materials, such as tile or granite, without slipping away. This is made possible by its sharp tip and advanced geometric design. It has been manufactured from optimized carbide using our fine grinding manufacturing process, making it equally suitable for concrete, brick, wood and metal. Regardless of the material, it always performs professionally. The Bosch Expert CYL-9 MultiConstruction Round Shank Drill should not be missing from any toolbox: You can do any job precisely and don't waste time searching for the right drill. Cylindrical shank is suitable for gear rim drill chuck.