Up to 5 times more precise 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 can be challenging and time-consuming unless you have the Expert MultiConstruction drill. This extremely versatile drill allows for precise drilling in hard materials like tiles or granite without slipping. This is made possible by its sharp tip and advanced geometric design. It is manufactured using a special process from optimized carbide, making it suitable for concrete, brick, wood, and metal alike. Regardless of the material, it always delivers professional results. The Bosch Expert MultiConstruction HEX-9 drill is an essential tool in any toolbox: you can complete any task precisely without wasting time searching for the right drill. Hex shank for maximum power transfer in standard drill chucks and hex screwdriver chucks. Diameter (D) mm: 7.00, working length (L1) mm: 50, total length (L2) mm: 100.