by Irwin
Buy new:
2 used & new from $29.95
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Made to ANSI specifications, the IRWIN 326021 - 5/8 x 20 x 24 Straight Shank Masonry Bit with 1/2" shank, is the next generation straight shank hammer drill bit which delivers more performance than ever. The patented flute design speeds dust removal for fast drilling and long life, while the shot-peened finish increases surface durability reducing the potential for breakage. This offering of straight shank masonry bits demonstrated IRWIN's commitment to the line and the professions who rely on them.
Fits all hammer drills with 3-jaw chuck. Chrome vanadium shaft through-hardened to 50-53HrC. Patented flute geometry removes dust from the hole quicker for fast drilling and long life. Up to 150% faster than other competitive 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.
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