Irwin Rotary Percussion - Straight Shank 1/2" x 4" x 6" Drywall Hardware & Tools Corn Starch

Corn Starch

Top forward blade lock design makes it easier to lock & unlock the blade

5SCFM @100 PSI for safety brass nozzle

Dual outlet angle

Irwin Rotary Percussion - Straight Shank 1/2" x 4" x 6" Drywall Hardware & Tools Corn StarchRotary 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