Up to 5x more precise than a Bosch CYL-3 drill. Modern construction sites require employees to work 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 bit allows precise drilling in hard materials such as granite without slipping. This is made possible by its sharp tip and advanced geometric design. It has been manufactured from optimised carbide using a fine grinding process and is therefore equally suitable for concrete, brick, soft ceramics, wood and metal. Regardless of the material, it always delivers professional results. The Bosch EXPERT HEX-9 MultiConstruction drill bit is a must in every toolbox: You can complete every employee with precision and never waste time searching for the right drill bit. Hexagonal shank for a strong connection and maximum torque transmission in three-jaw chucks and 1/4-inch hexagon socket tool holders.