The Irwin Speedbor Max 1-3/4″ Self-Feed Drill Bit is designed for drilling large-diameter holes in wood, ideal for pipe and conduit systems. Forged in one piece from high carbon steel for maximum strength under tough drilling conditions.
- Diameter: 1-3/4″
- Overall length: 5″
- Shank size: 7/16″ hex quick-change impact shank
- Fits 1/2″ or larger drills and 7/16″ hex impact wrench drills
- 3 times the cutting area & edges of standard self-feed bits
- Aggressive screw pitch for fast, efficient drilling
- Precision milled shank eliminates run-out & wobble
- Forged in 1 piece from high carbon steel for maximum strength
- Ideal for pipe & conduit systems
- Carded.
