Epoxy will make it permanent. I would just leave it in there without a bolt or retention. As someone said before, cable tension will hold it securely in place
Glue from a hot glue gun is a good compromise - sturdy but removable with some levering. Just don't use heaps.
@Ndeipi started
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Epoxy will make it permanent. I would just leave it in there without a bolt or retention. As someone said before, cable tension will hold it securely in place