Fasteners for thin (ish) GRP panels

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Originally Posted by Iowstratos

Most of the time in the aircraft industry they use wide foot anchor nuts held in place with 120’ counter sunk black alloy rivets which are very soft.

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I haven't seen those, most of the anchor nuts I've seen on the Boeing and Airbus aircraft I've worked are quite narrow and use ms20426 3/32 AD 100 degree rivets or EC2216 adhesive to bond them on, depending on the structure they're attached to. What are the wide foot a/nuts like? And don't mention those rotten alloy ratching receptacles Airbus use that corrode and split in two after an hour in service! :mad: And when you're putting a panel on you find the very last one pops off!

I have not got the rivets to hand, but hears an anchor nut, floating type.
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Attachment 17028

I know the ones, they work well. I bought some metric ones the same to use in my Stratos.