This IRWIN SPEEDBOR MAX 2-inch Self-Feed Wood Drill Bit features 3 durable cutting edges that are resharpenable to extend the life of the drill bit. The aggressive screw pitch pulls the bit fast for clean, true holes, while the 7/16-inch quick-change impact shank helps reduce slipping in standard chucks. This powerful drill bit is compatible with most 7/16-inch impact drills.
Irwin Industrial Tools 3046010 2-Inch 3-Cutter Self Feed Bit. For fast, rough or clean and exact holes, Irwin's extensive line of woodboring drill bits provide the user with the best available tools for each application in achieving their wood drilling needs.