11 Pcs Masonry Drill Bits Carbide Concrete Drill Bit Set for Stone Tile Brick Ce

Work like a charm because they are sharp, can go through wood and concrete like butter, and cut nice clean hole in a concrete paver. Shank type Hex. Shank Type:Hex. NOTE: Keeping bits cool with a flow of cooling water when drilling will help to last the sharpness and durability.

eBay