- 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 fit all drills and 1/4" quick change adapters
![Irwin Speedbor® Standard Length Flat Bits, 1" X 6", #IR-99916 (24/Pkg) Irwin Speedbor® Standard Length Flat Bits, 1" X 6", #IR-99916 (24/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/258236/443905/99910__28992.1666378867.jpg?c=2)
IRWIN Tools
Irwin Speedbor® Standard Length Flat Bits, 1" X 6", #IR-99916 (24/Pkg)
$110.88
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