Description
1/4 In. x 4 In. x 6 In. Masonry Drill Bit
The IRWIN rotary percussion-straight shank drill bit fits all hammer drills with 3-jaw or Jacobs chuck. All IRWIN tips are made to ANSI specifications.
Features
Patented flute geometry removes dust from the hole quicker for fast drilling and long life
Chrome vanadium shaft through-hardened to 50-53Hr C
Up to 150% faster than other competitive bits
Shot-peened, double-tempered finish reduces breakage