6-piece speedbor™ max speed drill bit set by IRWIN®. If you're looking for a reliable solution to complete your project; this 1st-grade product is right up your alley. Designed utilizing the finest materials; it delivers unmatched levels of durability and strength needed to provide long-lasting service life. Superior in functionality; it will help you make any job easier and faster.
- 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 1/4in quick change chucks.
- Includes 1/2in, 5/8in, 3/4in, 7/8in, 1in, and 1-1/4in sizes in standard length.