Irwin 326006 Rotary Percussion Masonry Drill Bit, 1/4" Dia x 6"
Description
Highlights:
- Size: 1/4" Dia X 6" L
- Type: Rotary Percussion
- Fits all hammer drills with 3-jaw or jacobs 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
- All tips made to ansi specifications