Drill America 10-Piece 18-in Alloy Steel Masonry Drill Bit for Rotary Drill

For Masonry Use. Drill America DAM Series Carbide-Tipped Masonry Drill Bit. Engineered with wide flutes to provide fast dust removal in softer materials. Designed for drilling in brick, concrete and sandstone. Carbide tips brazed to tough steel bodies and are larger than the nominal drill size to provide clearance for installation of anchor screws, expansion shields and toggle bolts. Designed for use in portable electric drills.