3M 3M Cubitron II 967A Type 27 Coated Ceramic Aluminum Oxide Flap Disc - 40 Grit - 4 1/2 in Diameter - 7/8 in Center Hole - 55635 60440273708

3M Cubitron II coated 967A Type 27 flap disc uses ceramic aluminum oxide as the abrasive material and has a diameter of 4 1/2 in. 3M incorporates this ceramic aluminum oxide material into the flap disc forming a grit of 40. All abrasive products that rotate or spin, such as the ones in this category, have a maximum speed at which you can run them. This 3M flap disc can be run at a maximum speed of 13300 RPMs.