[mojogoat]

What is the size of the Hex rivet nuts that fit in the Hex holes that are apron 7/16", or 10mm?

 

[KilWerBzz]

Rivnut chart

This company has a chart, now you need to know thin, thick or half hex. I can't help there.
http://www.hansonrivet.com/

 

[mojogoat]

I was hoping someone already bought some that fit.