- 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® Max Bits, 1 1/2" X 6, #IR-3041021 (3/Pkg) Irwin Speedbor® Max Bits, 1 1/2" X 6, #IR-3041021 (3/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/256416/446956/3041009__19824.1668201088.jpg?c=2)