The IRWIN SPEEDBOR Max Speed Drill Bit Set, 6 Piece, features 6 of the most commonly used drill bits with a tri-flute design for faster chip ejection, cutting spurs with 3 cutting edges for extra durability, full screw tips for self-feeding, and grooved hex shanks that prevent slipping in all standard 1/4" quick change chucks. Our fastest SPEEDBOR bits ever, this set includes 1/2", 5/8", 3/4", 7/8", 1", and 1-1/4" bits and a soft case.
- The Fastest Speebor spade bit ever
- Tri-Flute design for faster chip ejection
- Cutting spurs have 3 cutting edges for added durability
- Full screw tip allows bit to self feed
- Grooved hex shank prevents slipping in drill chuck or bit extension
- 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
- Tapered tri-flute design for faster chip ejection and less binding
- 1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks, including impact drills
- The Fastest Speebor spade bit ever
- Tri-Flute design for faster chip ejection
- Cutting spurs have 3 cutting edges for added durability
- Full screw tip allows bit to self feed
- Grooved hex shank prevents slipping in drill chuck or bit extension
- 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
- Tapered tri-flute design for faster chip ejection and less binding
- 1/4" quick-change shank reduces slipping in standard chucks and is compatible with all 1/4" quick-change chucks, including impact drills