The DCU750 is a fast cutting, outstanding value for money dry diamond core drill bit. Suitable for drilling most building materials such as brickwork, breeze, medium concrete, engineering brick, some granites etc. Cuts: Aerated Concrete.London Brick.Breeze Blocks.Block Paviors.Concrete Bricks.Set Stones.Porotone.Extremely Hard Blocks and Natural Stone.Concrete Slabs.Prefabricated Concrete.Granite.Engineering Brick.Clay Pipes. Safety: Marcrist diamond products comply with every known safety standard worldwide.