Irwin Drill Bit 3/4 In. x 17 In. 21 In. SDS MAX 4C
IRWIN SDS-Max multi-cutters fit all SDS-Max and Hilti TE, F, G, and Y rotary hammers. All IRWIN tips are made to ANSI specifications.
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
Chrome vanadium shaft through-hardened to 50-53Hr C