Bosch 2608900610 CYL-9 Multi Construction Drill Bit 5.5 x 100 x 150mm The Bosch 2608900610 CYL-9 is 5.5mm in diameter with a working length of 100mm and a 150mm overall length. The modern construction site requires working on many different materials and you never know what you will need to drill next. Finding the right drill bit can be difficult and time-consuming unless you have the EXPERT MultiConstruction Drill Bit. The Bosch EXPERT CYL-9 MultiConstruction Cylindrical Drill Bit is the one drill bit that should always be in your toolbox: you'll never get stuck on a job or waste time looking for the right bit. Features: Up to 5x more precise than a standard drill bit Accurate drilling is easy with patented Bosch Centering Geometry Start holes accurately with a specially-designed centering tip High-performance carbide tip manufactured by fine grinding Optimised dust extraction channel for fast, efficient drilling Specification: Diameter: 5.5mm Total length: 150mm Working length: 100