50Pcs 1/2"-13UNC Zinc Plated Carbon Steel Rivet Nut Flat Head Rivnut Threaded Insert Nuts Set (1/2"-13UNC). ♞【Rivet Nut Size:】In this set, it include 50pcs 1/2"-13UNC rivet nuts for your work, which drill hole size is 17.1mm/0.67", total length is 29mm/1.14".
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