On 6 Dec 2004 17:18:20 GMT, (Charles A.
Sherwood) wrote:

If I part the disk off before drilling the holes, I think it would be
difficult to mount the disk and indicate it to accurately locate the
holes. The only idea I can come up with it to superglue it to an
aluminum stub shaft and drill.

Looking for good ideas for next time.

Might be a good idea to look into the techniques used by the watch and
clockmaking crowd to work on thin, flat stock. I seem to remember
things like hardwood facings on lathe faceplates, and double-backed
tape.