1 1/8 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.

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

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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NutsBoltsNECoupling NutSteelZinc/Clear1 1/8-71 1/8-7 coupling nut zp34
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AbabaCACoupling NutSteelZinc/Clear1 1/8-7 x 31 1/8-7 x 3 cplng nut stl znc b18.2.210
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LippinCACoupling NutGrade 5Plain1 1/8-7 x 3/41 1/8-7 x 3/4-10 reducer coupling nut grade 5 with witness holes plain10
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LippinCACoupling NutSteelZinc/Clear1 1/8-7 x 1reducer coupling nut zinc plated33
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LippinCACoupling NutSteelZinc/Clear1 1/8-7 x 3/4reducer coupling nut zinc plated42
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LippinCACoupling NutSteelZinc/Clear1 1/8-7 x 7/8reducer coupling nut zinc plated80
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LippinCACoupling NutSteelZinc/Clear1 1/8-7coupling nut zinc plated1360
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LippinCACoupling NutGrade 2HPlain1 1/8-7coupling nut heavy gr-2h plain43
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LippinCACoupling NutSteelGalvanized1 1/8-7coupling nut hot dipped galvanized291
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LippinCACoupling NutSteelGalvanized1 1/8-7coupling nut w/ sight-hole hot dipped galvanized1490
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JacksonMSCoupling NutSteelZinc/Clear1 1/8nc coupling nut30
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JacksonMSCoupling NutSteelZinc/Clear1 1/8nf coupling nut7
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CertifiedILCoupling NutSteelPlain1 1/8-7 x 31 1/8-7 x 3 hex coupling nut-zps. b18.2.221
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DeltaTXCoupling NutSteelZinc/Clear1 1/8-7rod coupling nut zinc 1 1/8-753
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RCFastAZCoupling NutGrade AZinc/Clear1 1/8hex coupling nut a563 gra cr+3 (1 1/2x3 regular)inquire
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RCFastAZCoupling NutGrade APlain1 1/8hex coupling nut a563 gra (1 1/2x3)inquire
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RCFastAZCoupling NutSteelGalvanized1 1/8hex coupling nut a563 hdg (1 1/2x3)inquire
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HBBOLTCACoupling NutSteelGalvanized1 1/8-7 x 3hex coupling nut hdg30
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HBBOLTCACoupling NutSteelPlain1 1/8-7coupling nut40
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HBBOLTCACoupling NutSteelZinc/Clear1 1/8-7coupling nut26
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THRDFASTFLCoupling NutSteelPlain1 1/8-7coupling nut b18.2.221
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THRDFASTFLCoupling NutSteelGalvanized1 1/8-7coupling nut hdg b18.2.27
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THRDFASTFLCoupling NutSteelZinc/Clear1 1/8-7coupling nut b18.2.22
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THRDFASTMSCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8-718-8 ss coupling nut b18.2.22
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Valley NuWACoupling NutSteelPlain1 1/8-7 x 31 1/2 nc hex coupling nut pl37
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Valley NuWACoupling NutGrade DHGalvanized1 1/8-7 x 3 3/8 x 2a563 grdh hvy hex cplng nut hdg usa4
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Valley NuWACoupling NutSteelGalvanized1 1/8-7 x 31 1/2 nc hex coupling nut hdg27
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Valley NuWACoupling NutSteelZinc/Black1 1/8-7 x 31 1/2 nc hex coupling nut zb12
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SBSMACoupling NutSteelZinc/Clear1 1/8-7hex coupling nut
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