: I've used the 15 minute epoxy before, and although it made for a decent bond,
: it would soften when it got hot out and I would lose a hook. The epoxy on
: my kayak never softens when it gets hot, so when I replaced the hooks with
: ones like you describe I also bonded them on with the slow cure epoxy. I
: haven't had any problems since.

While a good epoxy does not soften as noticeably as 5-minute stuff, it does still soften. Switching from 5-minute will help the problem, but may not be sufficient solution for everyone.