IDEAL 35-815 Nailbiter™ Auger Bit 1 in 7/16 in dia Shank

Nailbiter™ premium ship auger bit. Dual-Helix construction with twin cutting edges provides faster and smoother drilling action, even through nail-embedded timbers. Full body, dual induction heat treatment ensures durability, minimizes warping and delivers long lasting performance. Heavy-duty lead screw designed for quick gripping power, superior penetration and extra-long life. Re-sharpenable for extended tool life. Drills through nails, wood, and other materials. Full length heat treated and tempered for durability. Precision designed and cut screw point to resist breakage.