IRWIN SPEEDBOR 3/4" #88812
- Double spur design scribes the hole before the chips are made, producing a cleaner hole and reducing vibration
- All bits have a 1/4-in hex shank that fits all drills and 1/4-in quick change adapters
- All standard length bits are 6-in long
- Patented micro-groove cutting edge and spurs produce a smoother hole finish
