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. It can be difficult and time-consuming to find the right drill – 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 our fine-tuning production 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 CYL-9 MultiConstruction drill bit is a must-have in any toolbox: you can complete any job precisely without wasting time searching for the right drill. The cylindrical shank is suitable for keyless chuck. Diameter mm: 5.5; 6.0; 7.0; 8.0; Total length mm: 85; 100; 100; 120.