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1 Hex Coupling Nuts (ASME B18. 2.2)

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.

29 results, (click on any line for more information)
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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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BHAMALCoupling NutASTM A563 Grade DHPlain1-8 x 31-8x3 a563 dh hex coupling nut b18.2.22
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BHAMALCoupling NutSteelZinc/Clear1-8 x 5/81-8x5/8-11 reducer coupler nut zinc b18.2.2173
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GLFOHCoupling NutSteelGalvanized1-8 x 2 1/21-8x2-1/2 hex coupling nut stl hdg b18.2.2 () ()71
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GLFOHCoupling NutSteelPlain1-8 x 2 1/21-8x2-1/2 hex coupling nut stl pln 153687 b18.2.2 () ()23
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GLFOHCoupling NutSteelZinc/Clear1-8 x 2 1/21-8x2-1/2 hex coupling nut stl zc b18.2.2 () ()98
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AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8 x 2 1 3/81-8 x 2 3/4 cplng nut 1 3/8 af s/s b18.2.24
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AbabaCACoupling NutSteelPlain1-8 x 2 1 3/81-8 x 2 3/4 cplng nut 1 3/8 af stl pln b18.2.22
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AbabaCACoupling NutSteelZinc/Clear1-8 x 2 1 3/81-8 x 2 3/4 cplng nut 1 3/8 af stl znc b18.2.210
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AbabaCACoupling NutSteelZinc/Clear1-8 x 2 1 3/81-8 x 2 3/4 cplng nut 1 3/8 af stl znc b18.2.25
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AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8 x 2 1/21-8 x 2 1/2 cplng nut 1 3/8 a.f. s/s b18.2.23
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SIIINCoupling NutSteelZinc/Clear1-81-8 zinc rod coupling) b18.2.250
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QFCTXCoupling NutSteelZinc/Clear1-8 1 1/4 x 2 1/21-8 bzp coupling nut 1 1/4x2 1/2 b18.2.258
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B & K FASTPACoupling NutSteelZinc/Clear1-8 x 2 1/21-8 x 2 1/2 coupling nuts zinc b18.2.212
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B & K FASTPACoupling NutSteelZinc/Clear1-8 x 2 3/41-8 x 2 3/4 long coupling nuts zinc b18.2.27
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B & K FASTPACoupling NutSteelPlain1-14 x 2 3/41-14 x 2 3/4 hex coupling nuts pln b18.2.29
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OSSCORICoupling Nut316, 317, A4 StainlessPlain1-8 x 2 1/21-8x2 1/2 coupling nut 316 s/s b18.2.28
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OSSCORICoupling NutSteelZinc/Clear1-8 x 2 1/21-8x2 1/2 coupling nut plated b18.2.2807
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OSSCORICoupling NutSteelZinc/Clear1-8 x 2 3/41-8x2 3/4 coupling nut plated b18.2.210
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QFCTXCoupling NutSteelGalvanized1-81-8 hvy hex coup nut hdg regular b18.2.26
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Bostwick INCoupling NutSteelPlain1-8 x 2 1/21-8 x 2 1/2 coupling nut plain finish b18.2.2240
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THRDFASTFLCoupling Nut316, 317, A4 StainlessPlain1-8t-316 ss coupling nut b18.2.29
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THRDFASTFLCoupling NutSteelPlain1-8coupling nut b18.2.21
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THRDFASTALCoupling NutGrade 2HPlain1-8 x 2 3/4h coupling nut b18.2.220
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KBSTNCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-14 x 31-14 x 3 coupling nut s/s b18.2.299
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THRDFASTALCoupling NutSteelZinc/Clear1-8 x 2 1/2coupling nut b18.2.243
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THRDFASTOKCoupling NutSteelPlain1-8coupling nut b18.2.225
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THRDFASTOKCoupling NutSteelZinc/Clear1-8 2 1/21-8 coupling nut length 2 1/2 b18.2.25
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THRDFASTALCoupling NutGrade 5Galvanized1-8 x 2 3/4coupling nut hdg b18.2.22
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THRDFASTALCoupling NutGrade AGalvanized1-8 x 3a563 gr a hex coupling nut hdg domestic b18.2.240
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