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Hex Coupling Nuts , Steel (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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Search Results Sponsored by American Imperial Screw, your source for Coupling Nuts. For more results, visit   www.discountscrews.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
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Irwin IndOntCoupling NutSteelZinc/Clear1/4-20 3/81/4-20 unc hex coupling nut 3/8afx7/8thk steel zc triv cl b18.2.22280
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GLFOHCoupling NutSteelPlain1-8 x 2 1/21-8x2-1/2 hex coupling nut stl pln 153687 b18.2.2 () () ()20
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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 NutSteelGalvanized3/4-10 x 2 1/43/4-10x2-1/4 hex coupling nut stl hdg b18.2.2 () () ()25
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GLFOHCoupling NutSteelPlainnut coupling AN818-10D b18.2.2 () () ()21
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GLFOHCoupling NutSteelPlainAN AIRCRAFT FITTING AN818-4J b18.2.2 () () ()79
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GLFOHCoupling NutSteelPlainAN818-12D b18.2.2 () () ()278
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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 () () ()778
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GLFOHCoupling NutSteelZinc/Clear3/4-10 x 2 1/43/4-10x2-1/4 hex coupling nut stl zc b18.2.2 () () ()106
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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 () () ()417
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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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GLFOHCoupling NutSteelPlain5/8-11 x 2 13/165/8-11x2-1/8 hex coupling nut 13/16 af stl pln b18.2.2 () () ()42
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GLFOHCoupling NutSteelZinc/Clear1/4-20 x 7/81/4-20x7/8 hex coupling nut stl zc b18.2.2 () () ()90
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BHAMALCoupling NutSteelZinc/Clear5/8-11 x 3/85/8-11x3/8 reducer coupling nut zn b18.2.21043
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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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BHAMALCoupling NutSteelPlain1-8 x 2 1/21-8x2 1/2 coupling nut b18.2.22
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GLFOHCoupling NutSteelPlainnut AN818-5D b18.2.2 () () ()90
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GLFOHCoupling NutSteelPlain818-3tube coupling nut cres 304 AN818-3J b18.2.2 () () ()100
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GLFOHCoupling NutSteelPlainSS-318-02 MS51531-B2S MS51531B2S b18.2.2 () () ()15
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GLFOHCoupling NutSteelPlain3/8-16 x 1 1/83/8-16x1-1/8 hex coupling nut stl pln b18.2.2 () () ()60
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BHAMALCoupling NutSteelZinc/Clear7/8-9-3/4-10 reducer coupling nut zinc b18.2.2155
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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 NutSteelZinc/Clear1-8 x 2 1/21-8x2-1/2 hex coupling nut stl zc b18.2.2 () () ()98
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GLFOHCoupling NutSteelGalvanized1/2-13 x 1 1/41/2-13x1-1/4 hex coupling nut stl hdg b18.2.2 () () ()10400
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GLFOHCoupling NutSteelZinc/Clear1/2-13 x 1 1/41/2-13x1-1/4 hex coupling nut stl zc b18.2.2 () () ()9668
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AbabaCACoupling NutSteelZinc/Clear#10-24 x 3/4 5/1610-24 x 3/4 cplng nut 5/16 af stl znc b18.2.23140
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AbabaCACoupling NutSteelZinc/Clear1 1/8-7 x 31 1/8-7 x 3 cplng nut stl znc b18.2.23
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AbabaCACoupling NutSteelZinc/Clear1 1/2-6 x 41 1/2-6 x 4 cplng nut stl znc b18.2.25
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AbabaCACoupling NutSteelZinc/Clear1/4-20 x 1 7/161/4-20 x 1 3/4 cplng nut 7/16 af stl znc b18.2.275
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AbabaCACoupling NutSteelZinc/Clear1/4-20 x 3/81/4-20 x 3/8 redc cplng nut stl znc b18.2.250
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AbabaCACoupling NutSteelZinc/Clear1/4-20 x 7/81/4-20 x 7/8 cplng nut stl znc b18.2.21500
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AbabaCACoupling NutSteelZinc/Clear1/4-28 x 7/8 3/81/4-28 x 7/8 cplng nut 3/8 af stl znc b18.2.2135
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AbabaCACoupling NutSteelZinc/Clear5/16-18 x 1 1/25/16-18 x 1 1/8 cplng nut 1/2 af stl znc b18.2.2520
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AbabaCACoupling NutSteelZinc/Clear5/16-18 x 7/8 7/165/16-18 x 7/8 cplng nut 7/16 af stl znc b18.2.2900
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AbabaCACoupling NutSteelZinc/Clear3/8-16 x 1 1/23/8-16 x 1 1/8 cplng nut 1/2 af stl znc b18.2.22484
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AbabaCACoupling NutSteelPlain3/8-16 x 1 3/43/8-16 x 1 3/4 cplng nut stl pln b18.2.21400
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AbabaCACoupling NutSteelZinc/Clear3/8-16 x 1 3/43/8-16 x 1 3/4 cplng nut stl znc b18.2.2400
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AbabaCACoupling NutSteelZinc/Clear3/8-16 x 1/23/8-16 x 1/2 redc cplng nut stl znc b18.2.24
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AbabaCACoupling NutSteelZinc/Clear3/8-24 x 1 1/23/8-24 x 1 1/8 cplng nut 1/2 af stl znc b18.2.2975
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AbabaCACoupling NutSteelZinc/Clear7/16-14 x 1 11/167/16-14 x 1 1/8 cplng nut 11/16 af stl znc b18.2.2630
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AbabaCACoupling NutSteelZinc/Clear7/16-14 x 1 3/47/16-14 x 1 3/4 cplng nut stl znc b18.2.250
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AbabaCACoupling NutSteelZinc/Clear1/2-13 x 1 5/81/2-13 x 1 1/4 cplng nut 5/8 af stl znc b18.2.2590
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AbabaCACoupling NutSteelPlain1/2-13 x 1 3/41/2-13 x 1 3/4 cplng nut stl pln b18.2.2200
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AbabaCACoupling NutSteelPlain1/2-13 x 1 7/81/2-13 x 1 3/4 cplng nut 7/8 a.f. stl pln b18.2.2188
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AbabaCACoupling NutSteelZinc/Clear1/2-13 x 1 3/41/2-13 x 1 3/4 cplng nut stl znc b18.2.2294
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SIIINCoupling NutSteelZinc/Clear1/4-20 x 7/81/4-20 x7/8 zinc plated steel coupling nut) b18.2.21960
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SIIINCoupling NutSteelZinc/Clear5/16-18 x 7/8 x 7/165/16-18 x l7/8 x w7/16 coupling nut zinc plated) b18.2.21339
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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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SIIINCoupling NutSteelZinc/Clear1/2-13 x 1 1/4 x 11/161/2-13 x l1-1/4 x w11/16 coupling nut zinc plated) b18.2.2517
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SIIINCoupling NutSteelZinc/Clear1/2-131/2-13 zinc rod coupling) b18.2.2362
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SIIINCoupling NutSteelZinc/Clear5/8-115/8-11 zinc rod coupling) b18.2.2175
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SIIINCoupling NutSteelZinc/Clear3/4-103/4-10 zinc rod coupling) b18.2.2145
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SIIINCoupling NutSteelZinc/Clear1-81-8 zinc rod coupling) b18.2.250
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StandardMACoupling NutSteelGalvanized5/8-115/8-11 coupling nut galvanized b18.2.2-790
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StandardMACoupling NutSteelGalvanized3/8-163/8-16 coupling nut galvanized b18.2.2905
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StandardMACoupling NutSteelGalvanized3/4-103/4-10 coupling nut galvanized b18.2.261
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QFCTXCoupling NutSteelZinc/Clear3/8-16 x 1/2 x 1 1/83/8-16x1/2x1 1/8 economy coupling nut zinc b18.2.2296
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QFCTXCoupling NutSteelZinc/Clear3/8-16 x 1/2 x 1 1/83/8-16x1/2x1 1/8 economy coupling nut zinc b18.2.216
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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 NutSteelZinc/Clear1/2-131/2-13 hex coup nut zc 11/16x1 3/4l b18.2.2292
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QFCTXCoupling NutSteelZinc/Clear1/2-13 x 3/81/2-13x3/8-16 coupling nut zinc b18.2.2104
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QFCTXCoupling NutSteelZinc/Clear1/2-201/2-20 economy coupling nut zinc b18.2.23
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QFCTXCoupling NutSteelZinc/Clear5/8-11 13/16 x 2 1/85/8-11 coupling nut zinc 13/16x2 1/8l b18.2.2117
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QFCTXCoupling NutSteelZinc/Clear5/8-11 13/16 x 2 1/85/8-11 coupling nut zinc 13/16x2 1/8l b18.2.266
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QFCTXCoupling NutSteelZinc/Clear3/43/4nc bzp coupling nut 1x2 1/4l b18.2.2293
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QFCTXCoupling NutSteelZinc/Clear3/43/4nc bzp coupling nut 1x2 1/4l b18.2.226
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QFCTXCoupling NutSteelZinc/Clear7/8-9 1 1/4 x 2 1/27/8-9 hex coupling nut 1 1/4x2 1/2l zinc b18.2.26
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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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QFCTXCoupling NutSteelZinc/Clear1 1/41 1/4nc bzp coupling nut 1 5/8x3l b18.2.22
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QFCTXCoupling NutSteelZinc/Clear1/2-131/2-13 coupling nut zinc b18.2.2361
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QFCTXCoupling NutSteelBlack Oxide1/2-13 x 1.25 x 7/81/2-13x1.25lgx7/8 coupling nut blkox b18.2.216
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QFCTXCoupling NutSteelBlack Oxide1/2-13 x 1.25 x 7/81/2-13x1.25lgx7/8 coupling nut blkox b18.2.2892
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QFCTXCoupling NutSteelGalvanized5/8 x 2 1/85/8x2 1/8 hdg rod coupler nut b18.2.2192
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QFCTXCoupling NutSteelGalvanized7/8-97/8-9 long hdg rod coupler nut 2 1/2 b18.2.225
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B & K FASTPACoupling NutSteelZinc/Clear5/8-18 x 2 1/85/8-18 x 2 1/8 long coupling nuts zinc b18.2.24
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B & K FASTPACoupling NutSteelPlain3/4-10 x 2 1/43/4-10 x 2 1/4 long coupling nuts plain b18.2.21
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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/Clear8/32 x 1 7/168/32 x 1 7/16 hex coupling nuts zinc b18.2.231
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B & K FASTPACoupling NutSteelZinc/Clear1/4-20 x 7/81/4-20 x 7/8 short coupling nuts zinc b18.2.22212
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B & K FASTPACoupling NutSteelZinc/Clear5/16-18 x 7/85/16-18 x 7/8 short coupling nuts zinc b18.2.210
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B & K FASTPACoupling NutSteelZinc/Clear5/16-18 x 1 1/85/16-18 x 1 1/8 hex coupling nuts zinc b18.2.2451
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B & K FASTPACoupling NutSteelZinc/Clear3/8-16 x 1 1/83/8-16 x 1 1/8 short coupling nuts zinc b18.2.22602
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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/Clear3/8-24 x 1 1/83/8-24 x 1 1/8 long coupling nuts zinc b18.2.248
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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 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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B & K FASTPACoupling NutSteelPlain5/8-11 x 2 1/85/8-11 x 2 1/8 long coupling nuts plain b18.2.2180
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B & K FASTPACoupling NutSteelZinc/Clear5/8-11 x 2 1/85/8-11 x 2 1/8 long coupling nuts zinc b18.2.2229
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B & K FASTPACoupling NutSteelZinc/Clear3/4-10 x 2 1/43/4-10 x 2 1/4 long coupling nuts zinc b18.2.2416
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B & K FASTPACoupling NutSteelZinc/Clear7/8-9 x 2 1/27/8-9 x 2 1/2 long coupling nuts zinc b18.2.2201
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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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BHAMGACoupling NutSteelPlain3/4-103/4-10 super duplex 70-30 heavy couplng nuts b18.2.225
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KBSTNCoupling NutSteelPlain5/8-11 x 2 1/85/8-11 x 2 1/8 hvy coupling nut b18.2.27
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QFCTXCoupling NutSteelZinc/Clear#10-2410/24 bzp rod coupling nut 5/16x3/4l b18.2.2100
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QFCTXCoupling NutSteelZinc/Clear1/4-201/4-20 bzp econo coupling nut 3/8x7/8l b18.2.281
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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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QFCTXCoupling NutSteelZinc/Clearx 13/4nf bzp coupling nut 2 1/4lx1 waf b18.2.212
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QFCTXCoupling NutSteelZinc/Clear7/8-97/8-9 coupling nut zinc w/witness hole b18.2.24
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QFCTXCoupling NutSteelZinc/Clear5/8-115/8-11 coupling nut zinc w/witness hole b18.2.2200
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QFCTXCoupling NutSteelPlain5/8-11 13/16 x 2 1/85/8-11 hex coupling nut plain 13/16x2 1/8 b18.2.2180
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QFCTXCoupling NutSteelZinc/Clear5/16-18 x 7/85/16-18 x 7/8 hex coupling nut zinc b18.2.21000
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QFCTXCoupling NutSteelGalvanized1-81-8 hvy hex coup nut hdg regular b18.2.26
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JET FITTINGCACoupling NutSteelZinc/Clearnot rohs ifi 128 b18.2.2200
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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 NutSteelPlain1/4-20coupling nut b18.2.21,381
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THRDFASTFLCoupling NutSteelZinc/Clear1/2-13reducing coupling nut 3/8-16 b18.2.21,250
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THRDFASTFLCoupling NutSteelZinc/Clear1/4nf-28 coupling nut b18.2.21,261
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THRDFASTFLCoupling NutSteelPlain1/4-20 x 7/8coupling nut b18.2.21,282
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THRDFASTFLCoupling NutSteelZinc/Clear1/4-20 x 7/8coupling nut b18.2.2679
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THRDFASTFLCoupling NutSteelPlain5/8-11coupling nut b18.2.2198
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THRDFASTFLCoupling NutSteelZinc/Clear5/8-11reducing coupling nut 1/2-13 b18.2.2267
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THRDFASTFLCoupling NutSteelZinc/Clear7/16-14 x 1 3/4coupling nut b18.2.2260
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THRDFASTFLCoupling NutSteelZinc/Clear3/8-16reducing coupling nut 1/4-20 b18.2.268
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THRDFASTFLCoupling NutSteelPlain7/8-9 x 2 1/2coupling nut b18.2.255
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THRDFASTFLCoupling NutSteelZinc/Clear7/8-9reducing coupling nut 3/4-10 b18.2.226
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THRDFASTFLCoupling NutSteelPlain1 1/8-7coupling nut b18.2.221
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THRDFASTFLCoupling NutSteelZinc/Clear5/8nf-18 coupling nut b18.2.218
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THRDFASTFLCoupling NutSteelGalvanized1 1/2-6coupling nut hdg b18.2.216
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THRDFASTFLCoupling NutSteelPlain1 1/2-6 x 4coupling nut b18.2.210
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THRDFASTFLCoupling NutSteelGalvanized1 1/8-7coupling nut hdg b18.2.27
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THRDFASTFLCoupling NutSteelGalvanized1 3/4-5 x 5coupling nut hdg b18.2.23
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THRDFASTFLCoupling NutSteelGalvanized2-4 1/2 x 6coupling nut b18.2.21
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THRDFASTFLCoupling NutSteelPlain5/8-11coupling nut b18.2.2107
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THRDFASTFLCoupling NutSteelZinc/Yellow1/2-13 x 1 3/4coupling nut z&y b18.2.211
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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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KBSTNCoupling NutSteelPlain5/8-18 x 1 7/85/8-18 x 1 7/8 hvy coupling nut 15/16 hex b18.2.2467
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KBSTNCoupling NutSteelZinc/Clear#10-24 x 3/410-24 x 3/4 coupling nut plated b18.2.23,606
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KBSTNCoupling NutSteelZinc/Clear1 1/4-7 x 31-1/4-7 x 3 coupling nut plated b18.2.257
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WSBKYCoupling NutSteelZinc/Clear1/2-13 x 4nut hex coupling st (zn) 1/2-13x4 b18.2.2140
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All SizeTXCoupling NutSteelZinc/Clear1/2-13 x 1 1/41/2-13 x 1-1/4 coupling nut zinc b18.2.2622
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All SizeTXCoupling NutSteelPlain7/16-14 x 9/16 x 1 1/47/16-14 x 9/16 x 1-1/4 coupling nut b18.2.2700
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All SizeTXCoupling NutSteelPlain7/8-9 x 2 1/27/8-9 x 2 1/2 coupling nut b18.2.220
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All SizeTXCoupling NutSteelPlain5/16-18 x 7/85/16-18 x 7/8 short coupling nut b18.2.216
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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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All SizeTXCoupling NutSteelZinc/Clear1/2-13 x 3/8 16 x 1 1/41/2-13 x 3/8-16 x 1-1/4 reducing coupling nut zinc b18.2.2127
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