3M 3M NX Disc Coated Aluminum Oxide Disc Coarse Grade 40 Grit - 5 in Diameter - 31211 60440265688

3M coated NX Disc PSA disc uses aluminum oxide as the abrasive material and has a diameter of 5 in. 3M incorporates this aluminum oxide material into the PSA 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 PSA disc can be run at a maximum speed of 12000 RPMs.