Oh yeah, and with a final note, check to see if you have the option to do a wet install on the rivet. If so, I'd opt for the highest temp rated adhesive allowed by the spec. This will bond the rivet head in place as well.
You may also check the thickness of the composite material as well. I'm assuming the hinge is a standard thickness, therefore not variable, but even different pre-pregs of the same specification can vary from one vendor to the next. Also, if the composite material isn't cured well enough, it...
