- Fits all hammer drills with 3-jaw or Jacobs chuck
- Chrome vanadium shaft through-hardened to 50-53HrC
- Patented flute geometry removes dust from the hole quicker for fast drilling and long life
- Up to 150% faster than other competitive bits
- Shot-peened, double-tempered finish reduces breakage
- Hot isostatically pressed to extend life and resist breakage
- Copper braze material gives high heat resistance for reduced tip loss
- All tips made to ANSI specifications
![Irwin® Rotary Percussion Masonry Drill Bit- Straight Shank, 1/2" Shank, 1" X 3" X 6", #IR-326026 (1/Pkg) Irwin® Rotary Percussion Masonry Drill Bit- Straight Shank, 1/2" Shank, 1" X 3" X 6", #IR-326026 (1/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/309953/444224/326020__13641.1666733302.jpg?c=2)