DeWALT DW1689 Auger Drill Bit, 1-1/8 in Dia, 17 in OAL, Hollow Center Flute, 7/16 in Dia Shank, Ball Groove Shank

Crafted from hardened alloy steel for long life, DeWALT® long power ship auger bits feature a dual cutting edge for maximum durability in nails. A self-feed spur delivers expedited material penetration and hollow center flute provides aggressive chip extraction. Heat-treated and tempered for long life.