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Sherex's Optisert is the best performing round body rivet nut on the market today. 

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.  

Ideal applications for Optisert include products that have softer materials like aluminum, composite, fiberglass, plastic. This new round body fastener is already being used in the automotive, EV, and heavy truck industries.

The standard Optisert

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Unit of Measure

Specifications

Thread Size

5/16-18 UNC

Grip Range
(Min.-Max.)

.060-.118

L ±.015
(inch)

0.690

HD (±.015)
(inch)

.857

HT ±.003
(inch)

0.062

D (Max.)
(inches)

0.531

IL (Max.)
(inches)

0.492

Grip Min.

0.060 in

Grip Max.

0.138 in

Hole Size
+.006/-.000 (inches)

0.532