8mm Stainless Steel Double Detent Snap-Serts are timesaving installation and release systems for molded-in inserts. All stainless steel construction. These Snap Serts are designed for maximum holding force for difficult to hold and heavier inserts. Comes with nut and washer.

(Your insert thread size 8mm, Norstar's "Snap Sert" thread size is 7mm). Stationary Snap Sert includes washer (KC5345), pin, and nut (KC5250).