Irwin Rotary Percussion - Straight Shank 1" X 8" X 12" Size:1" X 8" X 12" putting the area in service

putting the area in service sooner

25-person kit (160 pieces included)

6cm spacing

Tapered tri-flute design for faster chip ejection and less binding

Irwin Rotary Percussion - Straight Shank 1" X 8" X 12" Size:1" X 8" X 12" putting the area in serviceRotary 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