The spur grommets, at least the ones I've seen, are more heavy-duty, and would be the most desirable for the hip belts. They require a different setting tool, though, and they're fairly expensive, in the $50 range. Like this:

https://www.seattlefabrics.com/CS-Osborne-PRO-Spur-Grommet-Setter_p_314.html
_________________________
Always remember that you are absolutely unique, just like everybody else. -Margaret Mead