The WoodOwl Deep Cut Utility Auger is engineered for fast, accurate drilling of deep, clean holes in the toughest wood conditions. Designed to bore deep, smooth holes in utility poles, railroad ties, pressure-treated lumber, and wet or frozen wood Single spur scores the outside edge of the hole before material removal for clean, accurate cuts Aggressive single-flute spiral design delivers fast drilling and efficient chip evacuation in deep holes Precision-machined from solid round blanks for perfectly concentric drilling with minimal wobble Burr-free, precision-ground lead screw allows immediate starts with reduced wandering PTFE coating reduces friction, heat buildup, and corrosion while improving chip ejection Cutting head induction hardened to 58 HRC for long-lasting edge retention Tapered shaft design increases strength near the shank for demanding applications Hand-sharpened cutting edge and spur; can be resharpened Not intended for cutting through nails, which may damage the spur Specifications: Length: 24" Diameter: 3/4" Flute Type: Single spiral flute Shank Type: 7/16" quick-change hex shank Material: High-carbon S55C steel Hardness: Cutting head induction hardened to 58 HRC Finish: PTFE coated Country of Origin: Japan