Guppy35 I have a marine repair facility near Corning ny. Dave's Auto-Marine repair and fabrication. 607-210-2039. Call an make an appt and we'll get you squared away
Check out rytek marine. There mounts are the best going. Beings there's no screw pedestals you may have to epoxy the ducer to the rytek mounting plate. But you'll never break another one.
Pappy if you have any troubles I have a marine repair facility and fabrication in the fingerlakes. Very close to Watkins Glen. Lemme know if there's anything I can help with