100Pcs 5/16"-18UNC Zinc Plated Carbon Steel Rivet Nut Flat Head Rivnut Threaded Insert Nuts Set (5/16"-18UNC). ♞【Rivet Nut Size:】In this set, it include 100pcs 5/16"-18UNC rivet nuts for your work, which drill hole size is 10.8mm/0.43", total length is 18.5mm/0.72".
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