Irwin 326012 3/8 By 12 Inch Percussion Masonry Bit

Key Features;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;Hammer drill bits carbide tipped straight 3/8 inch x 12 inch overall. Bit will fit all hammer drills with 3-jaw or Jacobs chuck and features a chrome vanadium shaft through hardened to 50-53HrC shot-peened double-tempered finish flute geometry removes dust from the hole quicker copper braze material gives high heat res istance. All tips made to ANSI specifications.Bit will fit all hammer drills with 3-jaw or Jacobs chuck and features a chrome vanadium shaft through hardened to 50-53HrC shot-peened double-tempered finish flute geometry removes dust from the hole quicker copper braze material gives high heat resistance. All tips made to ANSI specifications. Bit will fit all hammer drills with 3-jaw or Jacobs chuck and features a chrome vanadium shaft through hardened to 50-53HrC shot-peened double-tempered finish flute geometry removes dust from the hole quicker copper braze material gives high heat res istance. All tips made to ANSI specifications.