100 Pcs 5/16-18 UNC Carbon Steel Rivet Nut Flat Head Threaded Insert Nutsert SAE

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5/16-18 Stainless Steel Rivet Nut Installation Tool Set Heavy Duty Nutsert Kit

TSSS518, SFK Stainless Steel Rivet Nut Rivnut Insert Nutsert - 5/16-18 - 10pcs