IRWIN 3041001 Speedbor MAX 1/2 in. x 6 in. Standard Length Tri-Plute Auger Speed Bit is the Fastest Speedbor spade bit ever and features a Tri-Flute design that allows for faster chip ejection. The Speedbor MAX has cutting spurs with three cutting edges for added durability. A full screw tip allows the bit to self-feed. The grooved hex shank prevents slipping in drill chuck or bit extension. The Speedbor MAX bit fit all standard 1/4" quick change chucks.
- 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