 | Mirror Finish/Buff | 1 to 4 Ra The finest mirror finish. Used mainly for finishing parts where cosmetic appearance is critical. (Equivalent to a 1200 grit or better polish) |
 | Light Finish/Buff | 10 Ra Close to a mirror polish but with less shine. Typically used on molds that produce cosmetically finished parts.(Equivalent to 600 to 1200 grit polish) |
 | 600 Grit Paper | 10 Ra The highest finish before the buffing process. Mostly used on highly cosmetic parts that are to be chrome plated or painted. |
 | 400 Grit Paper | 10 Ra Close to a 600 grit paper finish, but with a deeper directional pattern. Less shine than a 600-paper finish. |
 | 320 Grit Paper | 14/15 Ra Close to a 400 grit paper finish, but with a deeper directional pattern. Less shine than a 400-paper finish. It is typically referred to as a #4 pharmaceutical finish. |
 | 240 Grit Paper | < 32 Ra Close to a 320 grit paper finish, but with a deeper directional pattern. Less shine than a 320-paper finish. This finish is also sometimes called a #4 pharmaceutical finish. |
 | 180/150 Grit Paper | 33/50 Ra Close to a 240 grit paper finish, but with a deeper directional pattern. Less shine than a 240-paper finish. This is sometimes referred to as a #4 sanitary finish. |
 | 100/120 Grit Paper | 50/70 Ra Close to a 180/150 grit paper finish, but with a deeper directional pattern. Less shine than a 180/150-paper finish. It is sometimes referred to as a #3 Architectural finish. |
 | 60/80 Grit Paper | 80/100 Ra Close to a 100/120 grit paper finish, but with a deeper directional pattern. Less shine than a 100/120-paper finish. It is also called a #2 Satin finish. |
 | 36 Grit Paper | 150 + Ra The deepest and roughest finish used to remove gating, parting lines and mill scale from metal plates, bars, tubes and castings. Usually this operation is not a finish operation as much as it is a processing operation used to prepare a part for either machining or to meet drawing requirements. It's also known as a #1 finish. |