Rivet Nut Hog - Stepped Installation & Removal Bit Designed to drill holes for and remove up to 30 different rivet nuts sizes and brands. For all sizes of rivet nuts from 6-32 & M3 to 1/2-13 & M12. CNC machined M2 High Speed Steel bit features chamfered steps designed to shave down set rivet nuts. Includes toolbox magnet drill size chart of easy reference. 135 degree split point for starting holes in sheetmetal easier. 3.3 long (extends 2.6 past drill) 9456 Yes - GASOLINE ENGINE EXHAUST (CONDENSATES/EXTRACTS)