- 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" x 18" #IWAX3010 (1/Pkg.) Irwin Speedbor Supreme Auger Bit 1" x 18" #IWAX3010 (1/Pkg.)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/312663/449157/bb6b76168e1589db6d3c306f3ef22b63c9d871eb__46187.1669664821.jpg?c=2)