How to repair snaps and other hardware on your boat

So I have this snap that has pulled out a few times. I tried the oversized stud snap, 5200, pop rivets, and I was about to fiberglass the hole over and start from scratch. Until I met the rivnut.
Rivet Nut Tool: https://amzn.to/48q3inJ
Stainless Steel Rivet nut kit: https://amzn.to/3LDkHPT
Stainless Steel Snap Fastener Screw Stud 3/8": https://www.sailrite.com/Snap-Fastene...