Description
- Blue-Groove drill bit point and cutting edge for fast chip removal
- Wood drill bit uses double-cutting spurs that scribe the outside of the hole, reducing breakout
- Flat drill bit features a large shank for added durability
- Grooved hex shank helps prevent slipping in the drill chuck or bit extension
- Fits most standard quick-change chucks
- 5/6" diameter and 6" long
- Micro-groove point and cutting edges with extended spurs for faster, cleaner boring action; bore 2 times faster, last 3 times longer
- Forged in one piece from Irwin's own special grade tool steel
- Heat-treated full length for extra overall strength
- For 1/4" and larger electric drills
IRWIN SPEEDBOR Spade Wood Drill Bit, 5/16" (88805)
