
These are perfect for converting sheet metal screws in thin metal to machine screws for more stability. Used them to better hold my outside mirrors on my vintage car.

304 Stainless Steel Machine Screw And Hex Nut Assortment Kit - 170 Pieces By T.K.Excellent
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Get A Strong Grip With TICONN'S 100 Pc SAE Rivet Nut Kit - Zinc Plated Carbon Steel Flat Head Insert Nut With Knurled Body (SAE UNC 8-32)
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