Here’s a simple method for marking the drill holes for mounting a router to a jig or router-table insert. For each threaded mounting hole in the router base, purchase a 1-1/2-in.-long machine screw. Install each machine screw in a drill press with the screw head down. Set the drill press to a slow speed, and use the edge of a flat file to remove the head of the screw and create a centered point. Use this same process to make an end mill for the collet using the unthreaded section of a 1/4-in. bolt. Screw in the threaded inserts, points down, and chuck the end mill into the collet, adjusting its height to match that of the threaded inserts. Now carefully place your router on the router-table insert, and press down. The collet and all the threaded inserts will leave a mark pinpointing the exact drill sites.

Mike Mullin, Manhattan Beach, Calif.

Fine Woodworking Magazine, June 1995 No. 112

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