5/16-18 UNC (.030-.125" Grip) Flat Head Smooth Body Threaded Insert - Steel (250/box)

FSS3-518-125, Goebel GO-NUT FS Series Rivetnut Insert, Unified, 5/16-18 UNC-3B Thread Size (.030-.125 Grip) (0.76-3.17mm Grip) Round Body, Flat Head, Steel 1110/1108, Zinc Clear Trivalent Chromate Per ASTM-B-633 Type III, Class 2, RoHS 3 Compliant, Box Qty: 250