Irwin 326007 Rotary Hammer Drill Bit, 1/4 in Dia, 12 in OAL, 2-Flute, Straight Shank

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.

• Patented flute geometry removes dust from the hole quicker for fast drilling and long life
• 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