Irwin Masonry Drill Bit 3/16 " X 4 " Carded

Fits all hammer drills with 3-jaw or Jacobs chuck

Patented flute geometry 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 50-53HrC

Irwin 326002 3/16" x 3-1/2" Straight Shank Rotary Percussion Bit. 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
Brand: Irwin Tools, Model: ORGL77743