Where do I find door trim?

[VanillaGorilla]

I'm rebuilding the side door of my 6x12, and while I'm at it I'd like to change the trim. Currently the wood is captured on the edges by aluminum u-channel. I want to replace that with the style that overlaps the outside of the trailer. I'd also like to replace the hardware with some of the torx-tipped interior well nuts for security, but I can't find those either.

Where can I find this stuff? I've checked the usual sources and ome up empty.

[michiganflipper]

http://www.rvsurplus.net/ hereis a place that has what i think you are looking for