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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.
159 results, (click on any line for more information)
| Search Results Sponsored by American Imperial Screw, your source for Coupling Nuts. For more results, visit www.discountscrews.com | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Buy Hex Coupling Nuts from one of our FCH Network Members | ||||||||
| Irwin Ind | Ont | Coupling Nut | Steel | Zinc/Clear | 1/4-20 3/8 | 1/4-20 unc hex coupling nut 3/8afx7/8thk steel zc triv cl b18.2.2 | 2280 |
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| GLF | OH | Coupling Nut | Steel | Plain | 1-8 x 2 1/2 | 1-8x2-1/2 hex coupling nut stl pln 153687 b18.2.2 () () () | 20 |
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| GLF | OH | Coupling Nut | Steel | Zinc/Clear | 5/16-18 x 1 3/4 x 1/2 | 5/16-18x1-3/4x1/2 waf hex coupling nut stl zc b18.2.2 () () () | 202 |
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| GLF | OH | Coupling Nut | Steel | Galvanized | 3/4-10 x 2 1/4 | 3/4-10x2-1/4 hex coupling nut stl hdg b18.2.2 () () () | 25 |
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| GLF | OH | Coupling Nut | Steel | Plain | nut coupling AN818-10D b18.2.2 () () () | 21 |
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| GLF | OH | Coupling Nut | Steel | Plain | AN AIRCRAFT FITTING AN818-4J b18.2.2 () () () | 79 |
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| GLF | OH | Coupling Nut | Steel | Plain | AN818-12D b18.2.2 () () () | 278 |
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| GLF | OH | Coupling Nut | Steel | Zinc/Clear | 1/2-13 x 1 3/4 | 1/2-13x1-3/4 hex coupling nut stl zc b18.2.2 () () () | 778 |
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| GLF | OH | Coupling Nut | Steel | Zinc/Clear | 3/4-10 x 2 1/4 | 3/4-10x2-1/4 hex coupling nut stl zc b18.2.2 () () () | 106 |
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| GLF | OH | Coupling Nut | Steel | Zinc/Clear | 3/8-16 x 1 3/4 | 3/8-16x1-3/4 hex coupling nut stl zc b18.2.2 () () () | 417 |
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| GLF | OH | Coupling Nut | Steel | Zinc/Clear | 5/16-18 x 1 3/4 x 5/8 | 5/16-18x1-3/4x5/8 waf hex coupling nut stl zc b18.2.2 () () () | 96 |
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| GLF | OH | Coupling Nut | Steel | Plain | 5/8-11 x 2 13/16 | 5/8-11x2-1/8 hex coupling nut 13/16 af stl pln b18.2.2 () () () | 42 |
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| GLF | OH | Coupling Nut | Steel | Zinc/Clear | 1/4-20 x 7/8 | 1/4-20x7/8 hex coupling nut stl zc b18.2.2 () () () | 90 |
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| GLF | OH | Coupling Nut | Steel | Plain | nut AN818-5D b18.2.2 () () () | 90 |
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| GLF | OH | Coupling Nut | Steel | Plain | 818-3 | tube coupling nut cres 304 AN818-3J b18.2.2 () () () | 100 |
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| GLF | OH | Coupling Nut | Steel | Plain | SS-318-02 MS51531-B2S MS51531B2S b18.2.2 () () () | 15 |
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| GLF | OH | Coupling Nut | Steel | Plain | 3/8-16 x 1 1/8 | 3/8-16x1-1/8 hex coupling nut stl pln b18.2.2 () () () | 60 |
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| GLF | OH | Coupling Nut | Steel | Galvanized | 1-8 x 2 1/2 | 1-8x2-1/2 hex coupling nut stl hdg b18.2.2 () () () | 71 |
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| GLF | OH | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 1/2 | 1-8x2-1/2 hex coupling nut stl zc b18.2.2 () () () | 98 |
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| GLF | OH | Coupling Nut | Steel | Galvanized | 1/2-13 x 1 1/4 | 1/2-13x1-1/4 hex coupling nut stl hdg b18.2.2 () () () | 10400 |
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| GLF | OH | Coupling Nut | Steel | Zinc/Clear | 1/2-13 x 1 1/4 | 1/2-13x1-1/4 hex coupling nut stl zc b18.2.2 () () () | 9668 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | #10-24 x 3/4 5/16 | 10-24 x 3/4 cplng nut 5/16 af stl znc b18.2.2 | 3140 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 1 1/8-7 x 3 | 1 1/8-7 x 3 cplng nut stl znc b18.2.2 | 3 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 1 1/2-6 x 4 | 1 1/2-6 x 4 cplng nut stl znc b18.2.2 | 5 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 1/4-20 x 1 7/16 | 1/4-20 x 1 3/4 cplng nut 7/16 af stl znc b18.2.2 | 75 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 1/4-20 x 3/8 | 1/4-20 x 3/8 redc cplng nut stl znc b18.2.2 | 50 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 1/4-20 x 7/8 | 1/4-20 x 7/8 cplng nut stl znc b18.2.2 | 1500 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 1/4-28 x 7/8 3/8 | 1/4-28 x 7/8 cplng nut 3/8 af stl znc b18.2.2 | 135 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/8 cplng nut 1/2 af stl znc b18.2.2 | 520 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 5/16-18 x 7/8 7/16 | 5/16-18 x 7/8 cplng nut 7/16 af stl znc b18.2.2 | 900 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 3/8-16 x 1 1/2 | 3/8-16 x 1 1/8 cplng nut 1/2 af stl znc b18.2.2 | 2484 |
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| Ababa | CA | Coupling Nut | Steel | Plain | 3/8-16 x 1 3/4 | 3/8-16 x 1 3/4 cplng nut stl pln b18.2.2 | 1400 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 3/8-16 x 1 3/4 | 3/8-16 x 1 3/4 cplng nut stl znc b18.2.2 | 400 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 3/8-16 x 1/2 | 3/8-16 x 1/2 redc cplng nut stl znc b18.2.2 | 4 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 3/8-24 x 1 1/2 | 3/8-24 x 1 1/8 cplng nut 1/2 af stl znc b18.2.2 | 975 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 7/16-14 x 1 11/16 | 7/16-14 x 1 1/8 cplng nut 11/16 af stl znc b18.2.2 | 630 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 7/16-14 x 1 3/4 | 7/16-14 x 1 3/4 cplng nut stl znc b18.2.2 | 50 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 1/2-13 x 1 5/8 | 1/2-13 x 1 1/4 cplng nut 5/8 af stl znc b18.2.2 | 590 |
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| Ababa | CA | Coupling Nut | Steel | Plain | 1/2-13 x 1 3/4 | 1/2-13 x 1 3/4 cplng nut stl pln b18.2.2 | 200 |
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| Ababa | CA | Coupling Nut | Steel | Plain | 1/2-13 x 1 7/8 | 1/2-13 x 1 3/4 cplng nut 7/8 a.f. stl pln b18.2.2 | 188 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 1/2-13 x 1 3/4 | 1/2-13 x 1 3/4 cplng nut stl znc b18.2.2 | 294 |
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| SII | IN | Coupling Nut | Steel | Zinc/Clear | 1/4-20 x 7/8 | 1/4-20 x7/8 zinc plated steel coupling nut) b18.2.2 | 1960 |
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| SII | IN | Coupling Nut | Steel | Zinc/Clear | 5/16-18 x 7/8 x 7/16 | 5/16-18 x l7/8 x w7/16 coupling nut zinc plated) b18.2.2 | 1339 |
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| SII | IN | Coupling Nut | Steel | Zinc/Clear | 5/16-18 x 1 3/4 x 7/16 | 5/16-18 x l1-3/4 x w7/16 coupling nut zinc plated) b18.2.2 | 250 |
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| SII | IN | Coupling Nut | Steel | Zinc/Clear | 3/8-16 x 1 3/4 x 5/8 | 3/8-16 x l1-3/4 x w5/8 coupling nut zinc plated b18.2.2 | 126 |
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| SII | IN | Coupling Nut | Steel | Zinc/Clear | 7/16-14 x 1 3/4 | 7/16-14 x 1-3/4 zinc plated steel coupling nut) b18.2.2 | 270 |
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| SII | IN | Coupling Nut | Steel | Zinc/Clear | 1/2-13 x 1 1/4 x 11/16 | 1/2-13 x l1-1/4 x w11/16 coupling nut zinc plated) b18.2.2 | 517 |
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| SII | IN | Coupling Nut | Steel | Zinc/Clear | 1/2-13 | 1/2-13 zinc rod coupling) b18.2.2 | 362 |
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| SII | IN | Coupling Nut | Steel | Zinc/Clear | 5/8-11 | 5/8-11 zinc rod coupling) b18.2.2 | 175 |
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| SII | IN | Coupling Nut | Steel | Zinc/Clear | 3/4-10 | 3/4-10 zinc rod coupling) b18.2.2 | 145 |
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| SII | IN | Coupling Nut | Steel | Zinc/Clear | 1-8 | 1-8 zinc rod coupling) b18.2.2 | 50 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 3/8-16 x 1/2 x 1 1/8 | 3/8-16x1/2x1 1/8 economy coupling nut zinc b18.2.2 | 296 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 3/8-16 x 1/2 x 1 1/8 | 3/8-16x1/2x1 1/8 economy coupling nut zinc b18.2.2 | 16 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 3/8-16 9/16 x 1 3/4 | 3/8-16 coupling nut 9/16x1 3/4l zinc b18.2.2 | 50 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 1/2-13 | 1/2-13 hex coup nut zc 11/16x1 3/4l b18.2.2 | 292 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 1/2-13 x 3/8 | 1/2-13x3/8-16 coupling nut zinc b18.2.2 | 104 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 1/2-20 | 1/2-20 economy coupling nut zinc b18.2.2 | 3 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 5/8-11 13/16 x 2 1/8 | 5/8-11 coupling nut zinc 13/16x2 1/8l b18.2.2 | 117 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 5/8-11 13/16 x 2 1/8 | 5/8-11 coupling nut zinc 13/16x2 1/8l b18.2.2 | 66 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 3/4 | 3/4nc bzp coupling nut 1x2 1/4l b18.2.2 | 293 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 3/4 | 3/4nc bzp coupling nut 1x2 1/4l b18.2.2 | 26 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 7/8-9 1 1/4 x 2 1/2 | 7/8-9 hex coupling nut 1 1/4x2 1/2l zinc b18.2.2 | 6 |
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| QFC< /td> | TX | Coupling Nut | Steel | Zinc/Clear | 1-8 1 1/4 x 2 1/2 | 1-8 bzp coupling nut 1 1/4x2 1/2 b18.2.2 | 58 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 1 1/4 | 1 1/4nc bzp coupling nut 1 5/8x3l b18.2.2 | 2 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 1/2-13 | 1/2-13 coupling nut zinc b18.2.2 | 361 |
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| QFC | TX | Coupling Nut | Steel | Black Oxide | 1/2-13 x 1.25 x 7/8 | 1/2-13x1.25lgx7/8 coupling nut blkox b18.2.2 | 16 |
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| QFC | TX | Coupling Nut | Steel | Black Oxide | 1/2-13 x 1.25 x 7/8 | 1/2-13x1.25lgx7/8 coupling nut blkox b18.2.2 | 892 |
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| QFC | TX | Coupling Nut | Steel | Galvanized | 5/8 x 2 1/8 | 5/8x2 1/8 hdg rod coupler nut b18.2.2 | 192 |
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| QFC | TX | Coupling Nut | Steel | Galvanized | 7/8-9 | 7/8-9 long hdg rod coupler nut 2 1/2 b18.2.2 | 25 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 5/8-18 x 2 1/8 | 5/8-18 x 2 1/8 long coupling nuts zinc b18.2.2 | 4 |
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| B & K FAST | PA | Coupling Nut | Steel | Plain | 3/4-10 x 2 1/4 | 3/4-10 x 2 1/4 long coupling nuts plain b18.2.2 | 1 |
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| B & K FAST | PA | Coupling Nut | Steel | Plain | 3/8-16 x 1 3/4 | 3/8-16 x 1 3/4 long coupling nuts pln b18.2.2 | 300 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 8/32 x 1 7/16 | 8/32 x 1 7/16 hex coupling nuts zinc b18.2.2 | 31 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 1/4-20 x 7/8 | 1/4-20 x 7/8 short coupling nuts zinc b18.2.2 | 2212 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 5/16-18 x 7/8 | 5/16-18 x 7/8 short coupling nuts zinc b18.2.2 | 10 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 5/16-18 x 1 1/8 | 5/16-18 x 1 1/8 hex coupling nuts zinc b18.2.2 | 451 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 3/8-16 x 1 1/8 | 3/8-16 x 1 1/8 short coupling nuts zinc b18.2.2 | 2602 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 3/8-16 x 1 3/4 | 3/8-16 x 1 3/4 long coupling nuts zinc b18.2.2 | 114 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 3/8-24 x 1 1/8 | 3/8-24 x 1 1/8 long coupling nuts zinc b18.2.2 | 48 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 7/16-14 x 1 3/4 | 7/16-14 x 1 3/4 long coupling nuts zinc b18.2.2 | 297 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 7/16-20 x 1 3/4 | 7/16-20 x 1 3/4 long coupling nut zn b18.2.2 | 11 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 1/2-13 x 1 3/4 | 1/2-13 x 1 3/4 long coupling nuts zinc b18.2.2 | 317 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 1/2-20 x 1 3/4 | 1/2-20 x 1 3/4 long coupling nuts zinc b18.2.2 | 8 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 9/16-18 x 2 1/8 | 9/16-18 x 2 1/8 hex coupling nuts zinc b18.2.2 | 2 |
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| B & K FAST | PA | Coupling Nut | Steel | Plain | 5/8-11 x 2 1/8 | 5/8-11 x 2 1/8 long coupling nuts plain b18.2.2 | 180 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 5/8-11 x 2 1/8 | 5/8-11 x 2 1/8 long coupling nuts zinc b18.2.2 | 229 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 3/4-10 x 2 1/4 | 3/4-10 x 2 1/4 long coupling nuts zinc b18.2.2 | 416 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 7/8-9 x 2 1/2 | 7/8-9 x 2 1/2 long coupling nuts zinc b18.2.2 | 201 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 1/2 | 1-8 x 2 1/2 coupling nuts zinc b18.2.2 | 12 |
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| JET FITTING | CA | Coupling Nut | Steel | Zinc/Clear | not rohs ifi 128 b18.2.2 | 200 |
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| JET FITTING | CA | Coupling Nut | Steel | Plain | 3/816 x 1 3/4 | nut hex coupl 3/816x1-3/4 steel b18.2.2 | 506 |
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| JET FITTING | CA | Coupling Nut | Steel | Plain | 1/2-13 x 1 3/4 | nut hex coupl 1/213x1-3/4 steel b18.2.2 | 30 |
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| JET FITTING | CA | Coupling Nut | Steel | Zinc/Clear | 1/2-13 x 1 3/4 | nut hex coupl 1/213x1-3/4 steel zinc plated b18.2.2 | 70 |
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| THRDFAST | FL | Coupling Nut | Steel | Plain | 1/4-20 | coupling nut b18.2.2 | 1,381 |
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| THRDFAST | FL | Coupling Nut | Steel | Zinc/Clear | 1/2-13 | reducing coupling nut 3/8-16 b18.2.2 | 1,250 |
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| THRDFAST | FL | Coupling Nut | Steel | Zinc/Clear | 1/4 | nf-28 coupling nut b18.2.2 | 1,261 |
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| THRDFAST | FL | Coupling Nut | Steel | Plain | 1/4-20 x 7/8 | coupling nut b18.2.2 | 1,282 |
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| THRDFAST | FL | Coupling Nut | Steel | Zinc/Clear | 1/4-20 x 7/8 | coupling nut b18.2.2 | 679 |
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| THRDFAST | FL | Coupling Nut | Steel | Plain | 5/8-11 | coupling nut b18.2.2 | 198 |
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| THRDFAST | FL | Coupling Nut | Steel | Zinc/Clear | 5/8-11 | reducing coupling nut 1/2-13 b18.2.2 | 267 |
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| THRDFAST | FL | Coupling Nut | Steel | Zinc/Clear | 7/16-14 x 1 3/4 | coupling nut b18.2.2 | 260 |
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| THRDFAST | FL | Coupling Nut | Steel | Zinc/Clear | 3/8-16 | reducing coupling nut 1/4-20 b18.2.2 | 68 |
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| THRDFAST | FL | Coupling Nut | Steel | Plain | 7/8-9 x 2 1/2 | coupling nut b18.2.2 | 55 |
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| THRDFAST | FL | Coupling Nut | Steel | Zinc/Clear | 7/8-9 | reducing coupling nut 3/4-10 b18.2.2 | 26 |
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| THRDFAST | FL | Coupling Nut | Steel | Plain | 1 1/8-7 | coupling nut b18.2.2 | 21 |
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| THRDFAST | FL | Coupling Nut | Steel | Zinc/Clear | 5/8 | nf-18 coupling nut b18.2.2 | 18 |
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| THRDFAST | FL | Coupling Nut | Steel | Galvanized | 1 1/2-6 | coupling nut hdg b18.2.2 | 16 |
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| THRDFAST | FL | Coupling Nut | Steel | Plain | 1 1/2-6 x 4 | coupling nut b18.2.2 | 10 |
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| THRDFAST | FL | Coupling Nut | Steel | Galvanized | 1 1/8-7 | coupling nut hdg b18.2.2 | 7 |
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| THRDFAST | FL | Coupling Nut | Steel | Galvanized | 1 3/4-5 x 5 | coupling nut hdg b18.2.2 | 3 |
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| THRDFAST | FL | Coupling Nut | Steel | Galvanized | 2-4 1/2 x 6 | coupling nut b18.2.2 | 1 |
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| THRDFAST | FL | Coupling Nut | Steel | Plain | 5/8-11 | coupling nut b18.2.2 | 107 |
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| THRDFAST | FL | Coupling Nut | Steel | Zinc/Yellow | 1/2-13 x 1 3/4 | coupling nut z&y b18.2.2 | 11 |
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