High quality carbide bit welded to a hardened steel shaft Carbide bit for concrete and stone Wide flutes for quick debris removal Crossbored hole through end of bit for wire pulling Induction hardened body provides extra strength Not intended for use on Wood or Metal Beveled shanks for improved grip in all drill chucks One Year Warranty on Manufacturers Defects Also known as -B.E.S. 1/ 4 X24 CARBIDE HANGER S BIT - 2E-BELLC1424