IRWIN SPEEDBOR Drill Bit Set for Wood, 4-Inch, 6-Piece (1877239)
- Three cutting spurs for faster, cleaner holes, less breakout and extended drilling life.
- Full screw-point tip allows bit to self-feed for ease of drilling.
- Shorter overall length for drilling in tight spaces. Ideal for holes up to 2" deep.
- 1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks, including impact drills.