DEWALT DW5818 Drill Bit, 1 in Dia, 13-1/2 in OAL, Helix Flute, 4-Flute, 45/64 in Dia Shank, SDS Max Shank

DeWALT® HIGH IMPACT CARBIDE™ SDS Max Masonry drill bits feature innovative high-impact tips that maximize surface contact for long bit life and an open-head design that channels dust into flutes for fast drilling. An elongated helix expedites mill removal and a hardened core helps to reduce bit breakage.