| Rivnuts
You may be able to install some larger threaded Rivnuts. I think that is what they are called, a threaded insert that fits into a correctly sized hole and then it it drawn together with a threaded arbor device, much like a rivet gun. They come in several thread sizes for different strength requirements. You see them on automobiles to hold roof racks, mirrors, deck spoilers, and such. I have used 1/4-20 Rivnuts and stainless steel bolts to hold down the shroud on my Armstrong a/c unit on my Overlander. Your awning arms should be attached to something more substantial than just the skin, there should be some structure behind the skin, a wall or roof rib most likely. I doubt that JB Weld would help any.
Chas
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