TRU-MAXX Aluminum Oxide Quick-Change Sanding Discs, Type R, 3″ Diameter, 150 Grit, 100 Pack

HSS Interchangeable Pilot Counterbore, 1-1/8" - 43-563-6 Straight Shank Short Series Used in spot facing and counterboring operations Each tool accepts a wide range of pilots These tools are End Cutting only, with outside diameter normally .005 to .010" ov