Featuring a carbide tip for long life and 4 cutter heads to helps to reduce vibration, DEWALT HIGH IMPACT CARBIDE Spline Masonry Drill Bits are durable and powerful. An elongated helix expedites mill removal, and open-head design channels dust into flutes for fast drilling.

• Longer helix four flute design expedites mill removal for quicker drilling

• Open head design channels dust into flutes for quicker drilling

• ROCK CARBIDE tip maximizes carbide surface contact for longer bit life