300pcs/Set Rivet Nuts ( M3 - 90pcs,M4 - 65pcs,M5 - 50pcs,M6 - 40pcs,M8 - 30pcs,M10 - 20pcs,M12 - 5pcs). High-Quality: 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.
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