The bracket that came with my TruTrak roll servo had four K-1000-3 nutplates riveted to it for mounting bolts. There design has you drill through the bottom wing skin and mount with screws from the bottom side of the wing. I am not going to do this so I drilled out the rivets and removed the nutplates. I will be potting inserts in the lower wing panel from the inner skin and will use screws from inside (no screws visable on the outside surface of the wing.
