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National Hardware N182-710 Threaded Rod Coupler 1/2 Inch 13 TPI Galvanized Steel: Threaded Rod Couplers (886780007169-1)
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1in-8 Hex Rod Coupling Nut 18-8 SS 1-3/8in(W) x 2-1/2in(L) - Stainless Steel 048090 - A. Louis Supply
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5/8"-11 x W13/16" x L2 1/8" Coarse Thread A563 Grade A Hex Rod Coupling Nut Low Carbon Steel Hot Dip Galvanized | ASMC Industrial
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