IRWIN 5-in Black Oxide Coated Hss Masonry Drill Bit for Hammer Drill

1-piece construction withstands higher torque loads than standard quick-change bits. Carbide tip for faster drilling and longer bit life. Hex collar to engage with impact Tapcon® drive sleeve. 1/4-in quick-change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks.