High-performance Scotch-Brite convolute wheels from 3M feature hard / medium consistency for surface finishing, deburring, blending grains and polishing moulds, dies & surgical tools. These wheels feature aluminium oxide / silicon carbide as abrasive material ideal for all types of metals, composites & glass. All models have an arbor hole in sizes ranging from 1 to 8 inches, which allows easy mounting or attachment to the tool or pad. They are available in a maximum thickness of 4 inches and can be run at a maximum speed of 6000 rpm. Choose from a wide range of convolute wheels available in fine, medium and coarse grades on Raptor Supplies.