Actually, my final product was this, with a small thin nut:
View attachment 2519452 View attachment 2519453
However, if I were to have my latches powder coated again, I'd cut the bumper part off like @UZJ40 did.
I did similar except I had a small stainless Allen bolt and use a small nut. The small nut half was away from the body and simply tightened the Allen bolt with my fingers using 9/64" bit.