Square Peg wrote:

Can anyone recommend a way to secure these nuts? If it is permament,
so much the better. I don't know why they don't use rivets. I will
never want to loosen these nuts.


Green LockTite. It is permanent (like the red) but it also is
penetrating. So you can use apply it after assembling -- probably with
a toothpick in this case.

Bob