Irwin Rotary Percussion - Straight Shank 1/2" x 8" x 12" Size:1/2" x 8" x 12" Conventional port

Conventional port

0-1500 rpm (revolutions per minute)

Shutoff matches most backpack shutoff assemblies

Blade lacquered for corrosion protection

can be used indoors and outdoors

Irwin Rotary Percussion - Straight Shank 1/2" x 8" x 12" Size:1/2" x 8" x 12" Conventional portRotary 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