- Fits all SDS-max rotary hammers and Hilti TE F, G and Y rotary hammers
- Patented flute geometry removes dust from the hole quicker for fast drilling and long life
- Shot-peened, double-tempered finish reduces breakage
- Copper braze material gives high heat resistance for reduced tip loss
- All tips made to ANSI specifications
- Chrome vanadium shaft through-hardened to 50-53HrC
![Irwin® SDS-Max Drill Bit, 4C, 7/8" X 17" X 21", #IR-323015 (1/Pkg) Irwin® SDS-Max Drill Bit, 4C, 7/8" X 17" X 21", #IR-323015 (1/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/257866/444117/323000__65624.1666720645.jpg?c=2)