Drill America 3/1 x 4 Carbide Tipped Masonry Drill Bit

• Designed for drilling in brick, concrete and sandstone

• For use in portable electric drills.

• Engineered with wide flutes to provide fast dust removal in softer materials

• Round shank for use in a wide range of tool holding systems

• 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