- Fits all SDS-plus and Hilti TE-C rotary hammers
- Reduced area above the flute prevents the drill bit from binding while drilling--the full usable length can be utilized
- Chrome vanadium shaft through-hardened to 50-53HrC
- Patented tip and flute design removes dust more efficiently, up to 25% faster than other 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 Speedhammer Plus™ Drill Bit, 5/16" X 4" X 6", IR-322022 (1/Pkg) Irwin Speedhammer Plus™ Drill Bit, 5/16" X 4" X 6", IR-322022 (1/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/260660/444036/322022__92479.1666645550.jpg?c=2)