• Dual-Helix construction with twin cutting edges
• Full body, dual induction heat treatment
• Heavy-duty lead screw designed for quick gripping power, superior penetration and extra-long life
• Re-sharpenable for extended tool life

This Nailbiter Long Auger features a Dual-Helix construction with twin cutting edges for faster, smoother drilling, even through nail-embedded timbers. Its full-body, dual induction heat treatment ensures durability, reduces warping, and delivers long-lasting performance. The heavy-duty lead screw provides quick gripping power, superior penetration, and extended service life. The bit is also re-sharpenable for prolonged tool usability.