Irwin Rotary Percussion - Straight Shank 1/2" x 4" x 6" Size:1/2" x 4" x 6" 3-11/16" twist length

3-11/16" twist length

Industrial grade sets tested to meet the demands of professionals

Includes two accessories per pack for added value

No other cartridges are certified to be fitted with this mask

Use With Mandrel

Irwin Rotary Percussion - Straight Shank 1/2" x 4" x 6" Size:1/2" x 4" x 6" 3-11/16" twist lengthRotary 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