Irwin Rotary Percussion - Straight Shank 7/16"x4"x6" Size:7/16"x4"x6" Provides An Extra Margin Of

Provides An Extra Margin Of Safety To Meet Or Exceed Federal Motor Vehicle Safety Standard FMVSS No

It offers excellent adhesion

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Irwin Rotary Percussion - Straight Shank 7/16"x4"x6" Size:7/16"x4"x6" Provides An Extra Margin OfRotary 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