Irwin Rotary Percussion - Straight Shank 5/8" x 8" x 12" Spade Bit Set Made from heavy-duty chrome molybdenum

Made from heavy-duty chrome molybdenum steel for maximum durability and long life with impact drivers

Higher level of protection from side impacts

these iconic pegs will reliably penetrate the hardest ground

Blade storage that holds up to two additional blades

Soft-grip handle design offers increased gripping surface and comfort

Irwin Rotary Percussion - Straight Shank 5/8" x 8" x 12" Spade Bit Set Made from heavy-duty chrome molybdenumRotary Percussion Straight Shank 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