Description 3M Scotch-Brite non-woven quick change disc uses silicon carbide as the abrasive material and has a diameter of 4 in. Since this product is non-woven, grade is generally used to describe the abrasiveness; with the 07466 having a very coarse grade. 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 quick change disc can be run at a maximum speed of 8000 RPMs.
