Overview Reviews Product Description Tip design enhances dust removal and provides symmetrical holes.Copper brazing resists heat and reduces tip loss.4-cutter tip drills faster with less vibration.Unique flute design clears debris quickly to reduce clogging and minimize vibration.Chrome vanadium spring steel shaft through-hardened to 50-53hrc.Shot-peened, double-tempered finish reduces breakage and extends bit life.Fits all SDS-MAX® and Hilti te f, g and y rotary hammers.All tips made to ansi specifications.A fast and durable bit for the professional user. Irwin Tools Catalog Product Videos Custom Field Manufacturing country DE Product Reviews Write a Review Write a Review × Irwin 1-1/4 x 10 x 15" 4-Cutter SDS-MAX® Hammer Drill Bit 323023ZR Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *