Milwaukee Tool 11/16"x12" Shockwave Impact Duty Lineman's Fiberglass Drill Bit

Optimized Flute Geometry for cleaner material ejection. Carbide tipped cutting edges reduce friction for increased speed of cut. 7/16" hex shank for quick connection. Optimized for the M18 Fuel 7/16 Hex Utility High Torque Impact Wrench. Available in 12" and 22" lengths Designed for drilling into fiberglass and composite utility poles and arms. Not Recommended for concrete poles.