Irwin Rotary Percussion - Straight Shank 1" X 8" X 12" Size:1" X 8" X 12" including heavy duty abrasive

including heavy duty abrasive

Ultra low watt density

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

Brass body with stainless spring

Irwin Rotary Percussion - Straight Shank 1" X 8" X 12" Size:1" X 8" X 12" including heavy duty abrasiveRotary 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