Sherex by PEM's Optisert is the best performing round body rivet nut on the market today and it's now available in stainless steel.  

Ideal for automotive, heavy truck, marine industries and applications that use plastics and composites that need extra corrosion resistance.

Optisert's unique diamond-shaped wedges underneath the head give it a superior grip that helps deters spin-out in the base material of the application.