Engineered for the Power Utility Lineman to drill cleaner, faster holes in wooden utility poles. Single spur design scores the hole for a cleaner finish Reinforced Anti-Friction PTFE Coating for overall smoother drilling Optimized Wide Flute Geometry for faster chip ejection Aggressive Feed Screw and Cutting Edge for faster drilling speeds. 7/16" hex shank for quick connection into 7/16" quick connect chucks Available in 18" and 24" lengths Designed for drilling into wooden utility poles. Recommended for clean wood only. Solid stemmed core for added strength