Irwin Rotary Percussion - Straight Shank 1" X 8" X 12" Hammers pilot bit & 2 adapter

pilot bit & 2 adapter nuts 1/2" & 5/8"

Dial Control For Adjustable Brightness

of sustained clamping force

Ideal for rough or fine finishing

Irwin Rotary Percussion - Straight Shank 1" X 8" X 12" Hammers pilot bit & 2 adapterRotary 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