- 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 1/4in quick change chucks
![Irwin Speedbor® Flat Bit, 5/8", #IR-88810 (6/Pkg) Irwin Speedbor® Flat Bit, 5/8", #IR-88810 (6/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/257764/443541/88809__31504.1666291321.jpg?c=2)