Irwin Rotary Percussion - Straight Shank 1" X 8" X 12" Hammers Cobalt for higher heat &

Cobalt for higher heat & abrasion resistance

Dial Control For Adjustable Brightness

Lock-n-Load® system for one-handed quick release

wheel size: 4" arbor: 5/8" grit: 80 spec: za80 max rpm: 13

of sustained clamping force

Irwin Rotary Percussion - Straight Shank 1" X 8" X 12" Hammers Cobalt for higher heat &Rotary 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