- The Fastest Speedbor 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.
- Fits all standard 1/4" quick change chucks.
- Includes an IRWIN Pro Set Case made of durable molded ABS resin, so it can hold up to anything the jobsite throws at it. Case includes a full-length metal hinge pin for maximum durability and long life, and bit identification is simple with easy-to-read size markings.
CLICK HERE Speedbor MAX Speed Bit Sets