- 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, Tri-Flute, 7/16", #3041015B (3/Pkg) Irwin Speedbor MAX Bits, Tri-Flute, 7/16", #3041015B (3/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/258420/449092/Untitled_design_-_2022-11-28T092425.625__36256.1669649080.jpg?c=2)