FaboNav's threaded insert holders are handier than a button on an outhouse door...Nav, this is the 5th set of backplanes done and I'll finally have to swap out 2 of the 12 thumbscrews. Not bad for nylon....
Are you using metal screws to replace them or did you happen on some nylon screws? I was wondering how they'd fair with numerous uses in this application. I can add some to the cabbage case if you need them.