Vifmy Metric Rivet Nut Assortment Kit(230 Pcs) M3 M4 M5 M6 M8 M10 M12 Flat Head Rivnut Set Zinc Plated Finish Carbon Steel Nutsert

The rivet nuts is made of high quality carbon carbon steel high strength good toughness and a layer of zinc plated on the surface of the rivet nut can not only strengthen the anti-rust properties but also enhance its corrosion resistance thus prolonging the service life