Irwin Rotary Percussion - Straight Shank 3/4" X 8" X 12" Brand_Pull R Holdings Track is heavy extruded aluminum

Track is heavy extruded aluminum with convex rails

Includes arbor and pilot bit

For use in more demanding water usage applications

Spring Loaded Release Mechanism Prevents Ratchet From Opening Accidentally

Irwin Rotary Percussion - Straight Shank 3/4" X 8" X 12" Brand_Pull R Holdings Track is heavy extruded aluminumRotary 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