? Medium grit provides a good blend of cut rate and finish. ? Aluminum oxide is a more durable longer lasting abrasive and leaves a more polished finish. ? Better choice for general deburring blending, blending and final finishing. ? Better choice for general deburring blending, blending and final finishing. ? Lubricants such as water-soluble oil and straight oil will decrease the heat and improve the surface finish and luster. ? More open web construction (7 density) for cool cutting on light deburring applications. ? Convolute wheels are wound around a core and must always be run in the direction of the arrow printed on the side of the wheel. ? Durable aluminum reducing bushings are available to accommodate most arbor sizes. ? Formed by wrapping and bonding web material impregnated with abrasive grain and resin around a center core. Convolute wheels offer a wide range of uses including burr removal, removing rust and oxides, and applying decorative surface finish where little or no stock removal is required.