100x Stainless Knurled Countersunk Cylinder Close End Rivet Nuts M3/M4/M5/M6/M8

Rivet Nut Type: Knurled Countersunk Cylinder Close End. Size: M3 M4 M5 M6 M8 M10 M12. Head Type: Countersunk Head. A Rivet Nut fastener is a tubular rivet with internal thread which can be installed in seconds form one side of the work.