Irwin 326002B25 Drill Bit 3/16 Inch X 2 Inch X 3-1/2 Inch Masonry Bulk (25 Pack)

Irwin 326002B25 Features:

• 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