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1 3/4 inch length 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.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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GLFOHCoupling NutSteelZinc/Clear5/16-18 x 1 3/4 x 1/25/16-18x1-3/4x1/2 waf hex coupling nut stl zc b18.2.2 () ()202
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GLFOHCoupling NutSteelZinc/Clear1/2-13 x 1 3/41/2-13x1-3/4 hex coupling nut stl zc b18.2.2 () ()780
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GLFOHCoupling NutSteelZinc/Clear3/8-16 x 1 3/43/8-16x1-3/4 hex coupling nut stl zc b18.2.2 () ()427
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GLFOHCoupling NutSteelZinc/Clear5/16-18 x 1 3/4 x 5/85/16-18x1-3/4x5/8 waf hex coupling nut stl zc b18.2.2 () ()96
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AbabaCACoupling NutSteelZinc/Clear5/16-18 x 1 3/45/16-18 x 1 3/4 cplng nut stl znc b18.2.2150
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AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 3/43/8-16 x 1 3/4 cplng nut s/s b18.2.250
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AbabaCACoupling NutSteelPlain3/8-16 x 1 3/43/8-16 x 1 3/4 cplng nut stl pln b18.2.2500
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AbabaCACoupling NutSteelZinc/Clear3/8-16 x 1 3/43/8-16 x 1 3/4 cplng nut stl znc b18.2.2942
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AbabaCACoupling NutSteelZinc/Clear3/8-16 x 1 3/43/8-16 x 1 3/4 cplng nut stl znc b18.2.2100
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AbabaCACoupling NutSteelZinc/Clear7/16-14 x 1 3/47/16-14 x 1 3/4 cplng nut stl znc b18.2.2150
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AbabaCACoupling NutGrade 5Zinc/Clear1/2-13 x 1 3/41/2-13 x 1 3/4 cplng nut gr 5 znc b18.2.29
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AbabaCACoupling NutSteelPlain1/2-13 x 1 3/41/2-13 x 1 3/4 cplng nut stl pln b18.2.2196
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AbabaCACoupling NutSteelZinc/Clear1/2-13 x 1 3/41/2-13 x 1 3/4 cplng nut stl znc b18.2.2212
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AbabaCACoupling NutSteelZinc/Clear1/2-13 x 1 3/41/2-13 x 1 3/4 cplng nut stl znc b18.2.2100
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AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 1 3/45/8-11 x 1 3/4 cplng nut s/s b18.2.221
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AbabaCACoupling NutSteelGalvanized3/8-16 x 1 3/43/8-16 x 1 3/4 cplng nut stl hdg b18.2.210
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AbabaCACoupling NutSteelGalvanized1/2-13 x 1 3/41/2-13 x 1 3/4 cplng nut stl hdg b18.2.2125
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SIIINCoupling NutSteelZinc/Clear5/16-18 x 1 3/4 x 7/165/16-18 x l1-3/4 x w7/16 coupling nut zinc plated) b18.2.2250
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SIIINCoupling NutSteelZinc/Clear3/8-16 x 1 3/4 x 5/83/8-16 x l1-3/4 x w5/8 coupling nut zinc plated b18.2.2126
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SIIINCoupling NutSteelZinc/Clear7/16-14 x 1 3/47/16-14 x 1-3/4 zinc plated steel coupling nut) b18.2.2270
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QFCTXCoupling NutSteelZinc/Clear3/8-16 9/16 x 1 3/43/8-16 coupling nut 9/16x1 3/4l zinc b18.2.250
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QFCTXCoupling NutGrade APlain3/8-16 x 1 3/43/8-16x1-3/4 coupling nut a563 gr.a plain black b18.2.275
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B & K FASTPACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 1 3/45/8-11 x 1 3/4 stainless coupling nuts b18.2.26
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B & K FASTPACoupling NutSteelPlain3/8-16 x 1 3/43/8-16 x 1 3/4 long coupling nuts pln b18.2.2300
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B & K FASTPACoupling NutSteelZinc/Clear3/8-16 x 1 3/43/8-16 x 1 3/4 long coupling nuts zinc b18.2.2114
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B & K FASTPACoupling NutSteelZinc/Clear7/16-14 x 1 3/47/16-14 x 1 3/4 long coupling nuts zinc b18.2.2297
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B & K FASTPACoupling NutSteelZinc/Clear7/16-20 x 1 3/47/16-20 x 1 3/4 long coupling nut zn b18.2.211
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B & K FASTPACoupling NutSteelZinc/Clear1/2-13 x 1 3/41/2-13 x 1 3/4 long coupling nuts zinc b18.2.2317
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B & K FASTPACoupling NutSteelZinc/Clear1/2-20 x 1 3/41/2-20 x 1 3/4 long coupling nuts zinc b18.2.28
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B & K FASTPACoupling NutSteelGalvanized3/8-16 x 1 3/43/8-16 x 1 3/4 galv hex coupling nut b18.2.2183
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B & K FASTPACoupling NutSteelGalvanized1/2-13 x 1 3/41/2-13 x 1 3/4 galv hex coupling nut b18.2.220
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OSSCORICoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 1 3/45/8-11x1 3/4 coupling nut 18-8 304 b18.2.24
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QFCTXCoupling NutSteelZinc/Clear5/16-18 1/2 x 1 3/45/16-18 long coupling nut 1/2x1 3/4l zinc b18.2.2150
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Bostwick INCoupling Nut316, 317, A4 StainlessPlain5/8-11 x 1 3/45/8-11 x 1 3/4 coupling nut 316 s/s b18.2.246
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Bostwick INCoupling NutSteelZinc/Clear3/4-10 x 1 3/43/4-10 x 1 3/4 reducing coup nut 7/8-9 zinc b18.2.214
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JET FITTINGCACoupling NutSteelPlain3/816 x 1 3/4nut hex coupl 3/816x1-3/4 steel b18.2.2506
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JET FITTINGCACoupling NutSteelPlain1/2-13 x 1 3/4nut hex coupl 1/213x1-3/4 steel b18.2.230
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JET FITTINGCACoupling NutSteelZinc/Clear1/2-13 x 1 3/4nut hex coupl 1/213x1-3/4 steel zinc plated b18.2.270
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THRDFASTFLCoupling NutSteelZinc/Clear7/16-14 x 1 3/4coupling nut b18.2.2260
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THRDFASTFLCoupling NutSteelZinc/Yellow1/2-13 x 1 3/4coupling nut z&y b18.2.211
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THRDFASTFLCoupling NutSteelZinc/Clear5/16-18 x 1 3/4coupling nut b18.2.245
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KBSTNCoupling NutSteelZinc/Clear7/16-14 x 1 3/47/16-14 x 1 3/4 coupling nut pltd b18.2.2479
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THRDFASTALCoupling NutSteelGalvanized1/2-13 x 1 3/4coupling nut hdg b18.2.211600
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THRDFASTALCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 1 3/418-8 ss coupling nut b18.2.2177
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THRDFASTMSCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 3/418-8 ss coupling nut b18.2.25
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THRDFASTFLCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 3/418-8 ss coupling nut b18.2.21
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All SizeTXCoupling NutSteelPlain5/16-18 x 1 3/45/16-18 x 1-3/4 coupling nut heavy b18.2.286
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