The Bosch 2608597679 CYL-3 Silver Percussion Concrete Drill Bit provides good dust removal, reducing friction The Bosch 2608597679 drill bit is designed for drilling holes in concrete, masonry and brick materials. You can expect high wear resistance thanks to its durable carbide blend and effective 2-flute U-shape design which provides good dust removal, reducing friction and extending the lifetime. Features: CYL-3 Drill Bits provide lasting performance when drilling in concrete Compatible with cylindrical shank systems for all corded or cordless impact drills High wear resistance from a durable carbide blend developed and manufactured by Bosch Effective 2-flute U-shape design provides good dust removal, reducing friction and extending the lifetime Lasting performance when drilling holes for fixings in abrasive materials such as concrete and natural stones Specification: Diameter: 6mm Overall length: 150mm Working length: 90mm