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Hex Coupling Nuts , 300 Stainless (A1,A2, 18-8,304,310 etc.) (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.

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

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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GLFOHCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 23/4-10x2 hex coupling nut 18-8 s/s b18.2.2 () ()21
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GLFOHCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 2 1/43/4-10x2-1/4 hex coupling nut 18-8 s/s b18.2.2 () ()1
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GLFOHCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2tube coupling nut 304ss AN818-8D b18.2.2 () ()25
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GLFOHCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13x1-1/4 hex coupling nut 18-8 s/s b18.2.2 () ()250
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GLFOHCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/83/8-16x1-1/8 hex coupling nut 18-8 s/s b18.2.2 () ()230
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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 Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 3/410-24 x 3/4 cplng nut s/s b18.2.215
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AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 3/410-24 x 3/4 cplng nut s/s b18.2.230
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AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 3/410-32 x 3/4 cplng nut s/s b18.2.240
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AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 7/81/4-20 x 7/8 cplng nut s/s b18.2.2115
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AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 7/81/4-20 x 7/8 cplng nut s/s b18.2.280
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AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 7/165/16-18 x 1 cplng nut 7/16 af s/s b18.2.241
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AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1 7/165/16-18 x 1 cplng nut 7/16 af s/s b18.2.220
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AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 7/85/16-18 x 7/8 cplng nut s/s b18.2.24
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AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/83/8-16 x 1 1/8 cplng nut s/s b18.2.244
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AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/83/8-16 x 1 1/8 cplng nut s/s b18.2.245
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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 Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13 x 1 1/4 cplng nut s/s b18.2.247
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AbabaCACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13 x 1 1/4 cplng nut s/s b18.2.215
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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 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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StandardMACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 coupling nut 18-8 stainless steel b18.2.21000
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StandardMACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 coupling nut 18-8 stainless steel b18.2.2117
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StandardMACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 coupling nut 18-8 stainless steel b18.2.22950
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QFCTXCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4nc 18-8ss coupling nut 7/8long b18.2.2620
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QFCTXCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4nc 18-8ss coupling nut 7/8long b18.2.2206
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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 Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 2 1/43/4-10 x 2 1/4 stainless coupling nuts b18.2.215
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B & K FASTPACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 7/81/4-20 x 7/8 stainless coupling nuts 18-8 b18.2.28
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B & K FASTPACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 15/16-18 x 1 stainless coupling nuts b18.2.229
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B & K FASTPACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/83/8-16 x 1 1/8 stainless coupling nuts b18.2.266
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B & K FASTPACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13 x 1 1/4 stainless coupling nuts b18.2.250
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B & K FASTPACoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-9 x 2 1/27/8-9 x 2 1/2 stainless coupling nuts b18.2.23
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Marine FastenersFLCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-14 x 1 1/47/16-14x1 1/4 hex coupling nut 18-8 ss b18.2.22070
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Marine FastenersFLCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 2 1/43/4-10x2-1/4 hex coupling nut 18-8 ss b18.2.2266
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Marine FastenersFLCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-97/8-9 coupling nut 18-8 b18.2.2141
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Marine FastenersFLCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20 x 1 1/41/2-20 x 1-1/4 coupling nut ss b18.2.21569
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OSSCORICoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/41/2-13x1 1/4 coupling nut 18-8 304 b18.2.25
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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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THRDFASTFLCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/4-718-8 ss coupling nut b18.2.26
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THRDFASTFLCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-918-8 ss coupling nut b18.2.22
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THRDFASTFLCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-2018-8 ss coupling nut b18.2.220
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THRDFASTFLCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/818-8 ss coupling nut b18.2.214
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THRDFASTTNCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/418-8 ss coupling nut b18.2.2114
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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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KBSTNCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 2 1/85/8-11 x 2 1/8 coupling nut 13/16hex s/s b18.2.280
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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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THRDFASTFLCoupling Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/218-8 ss coupling nut b18.2.22
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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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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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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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