These Bosch SDS Plus Drill Bits are fast and effective in a wide range of applications, not only in concrete Long service life and low probability of breakage even on impact with reinforcements. Tungsten carbide cutting edge with cutting tooth profile for effective grinding of the drilling material These drill bits offer High Speed Drilling for high material removal Optimum low-vibration drilling protects the user Suitable for use in:Concrete, Concrete reinforcement, Granite, Sand-lime brick, Clinker, Marble, Brickwork, Stone