DO NOT USE Roto discs to "resurface" anything. A sure way to **** up a flat machined surface.
Put those away. Use 80-120-180 on a long sanding block, bodymans file board.
to clean the matting faces if at all.
If they are not flat get them flat milled .005"
Last edited by Croz; 07-31-2012 at 11:22 AM.
Reason: Circumventing the profanity filter.