Milwaukee 48206121 SDS-Plus Carbide-Tipped Masonry Core Bit, 4 in. Dia, For Brick, Block, and Concrete

SDS-Plus Carbide-Tipped Masonry Core Bit, 4 in. Diameter, For SDS-Plus Rotary Hammers, Asymmetrical Carbide Teeth for Up to 20% Faster Drilling, Centering Bit for Easy Hole Alignment, Spiral Core Body Minimizes Friction, Two-Piece Design, Ideal for Drilling Through Holes in Brick, Block, and Concrete.