Nondirectional Rotor Finishes: Do You Need Them?
Sep 01, 2007· Nondirectional rotor finishes can be applied a number of ways. A nondirectional finish can be applied with an abrasive disk in a drill or a special rotor refinishing brush. As with the sanding block, you want to give each side about one minute of sanding while the rotor is rotating on the lathe.