DEWALT 3/8 in x 16 in x 18 in Rock Carbide SDS Plus Hammer Drill Bit

SDS Plus 2 Cutter Drill Bits have a strong tapered core to help resist flute breaks， especially when drilling deep holes. For optimal drilling speeds， the two-stage flute design features a variable helix pattern that quickly moves debris away from the contact zone. Plus， the two sharp， carbide-cutting edges deliver clean， round holes for secure anchor installation. These bits are made in Germany and are GUARANTEED TOUGH so tough that we are offering a NO BREAK GUARANTEE*. If you have our bits， we have your back.