- High-speed steel cutting edge maintains its sharpness
- Pull through material with speed and ease with an aggressive parabolic screw tip
- Resharpenable blade allows extended blade life
- 3/8" quick change hex for convenient bit changes
- Black oxide coating for improved corrosion resistance
- Optimized flute geometry for fast and efficient chip ejection
![Irwin Speedbor Supreme Auger Bit 1/2" x 18" #IWAX3006 (1/Pkg.) Irwin Speedbor Supreme Auger Bit 1/2" x 18" #IWAX3006 (1/Pkg.)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/312666/449170/332ceb2a684168da72d181544a31f335c40c0cf7__68846.1669669633.jpg?c=2)