DeWalt Percussion Masonry Drill Bit - Piloted carbide tip design improves bit life. Hardened body for extra strength and reduced breakage. Four flute design provides efficient dust removal to reduce heat build-up also adding to bit life. Two cutter carbide tip maximizes carbide surface contact for longer bit life. For use in percussion and rotary drilling applications in rotary drills and hammer drills. 1 bit per pouch