Irwin Rotary Percussion - Straight Shank 1/2" x 8" x 12" Size:1/2" x 8" x 12" • Spring loaded and pre-set

• Spring loaded and pre-set under pressure

64 litres) best quality polyethylene

For use with Duplex

Steel construction with rust-resisting finish

The unit includes a pocket-clip for secure portability

Irwin Rotary Percussion - Straight Shank 1/2" x 8" x 12" Size:1/2" x 8" x 12" • Spring loaded and pre-setRotary 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