DEWALT SDS-Plus Hammer Drill Bit 7/8 in. x 12 in.

Solid carbide concrete bit with four cutting heads. Resistant, it's tough enough to drill in reinforced concrete. An innovative bonding system attaches the tip to the flute and ensures that the bit will last. The four-flute design clears debris as you work. For use with electric or cordless hammer drills

Cutting depth: 10 in. (25.4 cm)