Bosch 2608596357 CYL-1 Drill Bit For Masonry 6 x 90 x 150mm The Bosch 2608596357 drill bits are ideal for drilling in masonry and concrete. Their 2-flute U-shape design ensures optimum dust removal and carbide tip makes it extremely durable. To be used with impact drills. Features:  Optimised for drilling in masonry and limestone 2-flute U-shape provides good dust removal The standard carbide tip makes the bit more wear-resistant Compatible with impact drills Specification: Diameter: 6mm Working length: 90mm Total length: 150mm