See the diagram on page 85 of Art Reblitz's book, "Piano Servicing,
Tuning & Rebuilding" (first edition, 1976) for using leather to
repair stripped action flange screw holes.

If we can order Art's book (second edition) through this site, put
me first in line!

Richard Moody, Piano Tuner Technician
http://www.pnotec.com/