30Pcs 5/16-18 Rivet Nuts with Hand Rivet Nut Tool, Carbon Steel Flat Head Thr...

1/4"-20 Rivet Nuts - 50 Pcs Stainless Steel Rivnuts, Flat Head Insert Nut wit...

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100Pcs 5/16"-18UNC Zinc Plated Carbon Steel Rivet Nut Flat Head Rivnut Thread...

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