Irwin Rotary Percussion - Straight Shank 1/2" x 8" x 12" Size:1/2" x 8" x 12" Fully hardened steel body delivers

Fully hardened steel body delivers increased life and durability

4 F (degree Fahrenheit)

extending the life of the screen

Self-Coiling

water hyacinth

Irwin Rotary Percussion - Straight Shank 1/2" x 8" x 12" Size:1/2" x 8" x 12" Fully hardened steel body deliversRotary 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