Feature●Adds 12 inches to SPEEDBOR Max Self-Feed wood drilling bits.●Forged in one piece from high carbon steel for maximum strength under tough drilling conditions.●Precision-milled shank eliminates run-out and wobble.●Drill bits have 3 cutting edges that are hardened for durability and long life in tough materials●Drill bits feature replaceable screw-point tips that pull the drill bit fast for clean, true holes●Drill bit has an aggressive screw pitch●7/16-inch hex impact shank reduces slipping in standard chucks●IRWIN drill bit extension is compatible with most 7/16-inch impact drillsDescription
Adds 12 inches to SPEEDBOR Max Self-Feed wood drilling bits. Forged in one piece from high carbon steel for maximum strength under tough drilling conditions. Precision-milled shank eliminates run-out and wobble. IRWIN Tools 3046002 Speedbor MAX Self-Feed Wood Bit Extension 12-inch, Single.