Rivet Nuts, 50 Pcs 5/16"-18 UNC, Carbon Steel Flat Head Rivnut Threaded Insert Nut, Knurled Body Nuts. 【Size and Quantity】The size of these rivet nut is 5/16"-18 UNC, Total quantity is 50Pcs. 【High-quality Materials】Rivet nuts are made of carbon steel, Zinc plated with good corrosion resistance and long service life.
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