Am I reading this right;
If yes to all 3 then you want a nylon grub screw with lashings of blue threadlock.
Edited
Yes, although after looking closely, turns out there's no thread, so might have to tape over it or any other suggestions welcome?
@hugo7 started
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Am I reading this right;
If yes to all 3 then you want a nylon grub screw
with lashings of blue threadlock.Edited