Experience superior performance with the Irwin Auger Wood Drill Bit, designed for all general wood boring tasks. Its single-spur cutting edge scribes the circumference for a smoother finish, while the hexagon shank prevents slippage in your drill chuck. The solid center provides extra rigidity, and the self-feeding screw point ensures faster boring in both soft and hard woods. Built for durability, its fully hardened body extends from tip to shank. Product Summary: Irwin Auger Drill Bit, wood boring, single spur cutting edge, hexagon shank, solid center, self-feeding screw point, durable, power tool accessory.