- Patented micro-groove cutting edge and spurs produce a smoother hole finish
- Double spur design scribes the hole before the chips are made, producing a cleaner hole and reducing vibration
- All bits have a 1/4" hex shank that fits all drills and 1/4" quick change adapters
- Blue-Groove point and cutting edge for faster chip removal - 4x faster than standard spade bits
- Double cutting spurs scribe the outside of the hole reducing breakout
- 10% larger shank for added durability
- Grooved hex shank prevents slipping in drill chuck or bit extension
- Fits all standard quick change chucks
![Irwin Speedbor® Flat Bit, 11/16" x 6", #IR-88811 (6/Pkg) Irwin Speedbor® Flat Bit, 11/16" x 6", #IR-88811 (6/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/259948/443542/88809__02625.1666291906.jpg?c=2)