9/16-18 Hex Coupling Nuts

Coupling Nuts, also known as Extension Nuts, are threaded fastener for joining two male threaded objects, most commonly threaded rod, but also pipes. The outside of the coupling nut is usually a hex so it can be gripped by a wrench.

6 results, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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CenturyFLCoupling NutSteelPlain9/16-18an818-6j59
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B & K FASTPACoupling NutSteelZinc/Clear9/16-18 x 2 1/89/16-18 x 2 1/8 hex coupling nuts zinc b18.2.22
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LippinCACoupling NutSteelZinc/Clear9/16-18coupling nut fine zinc plated200
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EBN IndusINCoupling NutSteelZinc/Clear9/16-18 x 2 1/89/16-18 x 2 1/8 coupling nut zinc b18.2.223
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GLFOHCoupling NutSteelPlain9/16-18an818-6j68
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LibertyILCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain9/16-18 x 1 3/4rod coupling nut 18-8 s/s 7/8 af 7/8 af21
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