Irwin Rotary Percussion - Straight Shank 3/8"x12"x 8" Size:3/8"x12"x 8" metal & stone

metal & stone

Porter Cable model No

4' selvedge edge to allow for added lap protection

helps chain travel smoothly from cutter to cutter

The “ears” on the back of the head are designed to pull the soil back onto newly planted seeds

Irwin Rotary Percussion - Straight Shank 3/8"x12"x 8" Size:3/8"x12"x 8" metal & stoneRotary 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