Concrete drill bit
- Milwaukee 4932 3636 32, Concrete Drill Bit, 4.5mm Drill Size, 85mm L, Twist Flute Type, 50mm Effective Length, Straight Shank Type, 4.5mm Shank Size, Diamond Ground Carbide Tip Material, For Drilling in Brick, Tile, Ceramic, Concrete, Plaster, Slate & Aerated Concrete Blocks Milwaukee Concrete Drill Bit 4.5mm