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Hex Coupling Nuts , Zinc/Clear (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.
142 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 | 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 | 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 | 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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| BHAM | AL | Coupling Nut | Steel | Zinc/Clear | 5/8-11 x 3/8 | 5/8-11x3/8 reducer coupling nut zn b18.2.2 | 1043 |
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| BHAM | AL | Coupling Nut | Steel | Zinc/Clear | 1-8 x 5/8 | 1-8x5/8-11 reducer coupler nut zinc b18.2.2 | 173 |
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| BHAM | AL | Coupling Nut | Steel | Zinc/Clear | 7/8-9-3/4-10 reducer coupling nut zinc b18.2.2 | 155 |
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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 | 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 | 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 | Grade 5 | Zinc/Clear | 1/2-13 x 1 3/4 | 1/2-13 x 1 3/4 cplng nut gr 5 znc b18.2.2 | 9 |
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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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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 1/2-13 x 5/8 | 1/2-13 x 5/8 redc cplng nut stl znc b18.2.2 | 20 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 1/2-20 x 1 5/8 | 1/2-20 x 1 1/4 cplng nut 5/8 af stl znc b18.2.2 | 50 |
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| Alma Bolt | MI | Coupling Nut | Steel | Zinc/Clear | 3/8-16 | 3/8-16 (1 3/4 lng x 9/16 af) zinc coupling nut special b18.2.2 | 1000 |
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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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| JET FITTING | CA | Coupling Nut | Steel | Zinc/Clear | 5/16-18 x 7/8 | 5/16-18x7/8 coupling nut zinc CN-.31C.87-Z b18.2.2 | 193 |
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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 | 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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| 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 | 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 | 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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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 3/4 | 1-8 x 2 3/4 long coupling nuts zinc b18.2.2 | 7 |
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| B & K FAST | PA | Coupling Nut | Steel | Zinc/Clear | 1 1/2-6 x 4 | 1 1/2-6 x 4 hex coupling nuts zinc b18.2.2 | 50 |
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| OSSCO | RI | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 1/2 | 1-8x2 1/2 coupling nut plated b18.2.2 | 807 |
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| OSSCO | RI | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 3/4 | 1-8x2 3/4 coupling nut plated b18.2.2 | 10 |
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| OSSCO | RI | Coupling Nut | Steel | Zinc/Clear | 1 1/2-6 x 4 | 1 1/2-6x4 coupling nut plated b18.2.2 | 4 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | #10-24 | 10/24 bzp rod coupling nut 5/16x3/4l b18.2.2 | 100 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 1/4-20 | 1/4-20 bzp econo coupling nut 3/8x7/8l b18.2.2 | 81 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 5/16-18 1/2 x 1 3/4 | 5/16-18 long coupling nut 1/2x1 3/4l zinc b18.2.2 | 150 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | x 1 | 3/4nf bzp coupling nut 2 1/4lx1 waf b18.2.2 | 12 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 7/8-9 | 7/8-9 coupling nut zinc w/witness hole b18.2.2 | 4 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 5/8-11 | 5/8-11 coupling nut zinc w/witness hole b18.2.2 | 200 |
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| QFC | TX | Coupling Nut | Steel | Zinc/Clear | 5/16-18 x 7/8 | 5/16-18 x 7/8 hex coupling nut zinc b18.2.2 | 1000 |
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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 | 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 | 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 | Zinc/Clear | 1/4-20 x 7/8 | coupling nut b18.2.2 | 679 |
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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 | Zinc/Clear | 7/8-9 | reducing coupling nut 3/4-10 b18.2.2 | 26 |
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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 | Zinc/Clear | 1 1/8-7 | coupling nut b18.2.2 | 2 |
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| THRDFAST | FL | Coupling Nut | Steel | Zinc/Clear | 1/4-20 x 7/8 | coupling nut b18.2.2 | 1,812 |
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| THRDFAST | FL | Coupling Nut | Steel | Zinc/Clear | #6-32 | coupling nut b18.2.2 | 815 |
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| THRDFAST | FL | Coupling Nut | Steel | Zinc/Clear | 5/16-18 x 1 3/4 | coupling nut b18.2.2 | 45 |
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| THRDFAST | AL | Coupling Nut | Steel | Zinc/Clear | 3/8-16 x 1 1/8 | coupling nut b18.2.2 | 450 |
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| THRDFAST | MS | Coupling Nut | Steel | Zinc/Clear | 1/4 | nf-28 coupling nut b18.2.2 | 32 |
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| THRDFAST | MS | Coupling Nut | Steel | Zinc/Clear | 1/4-20 x 7/8 | coupling nut b18.2.2 | 288 |
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| KBS | TN | Coupling Nut | Steel | Zinc/Clear | 7/16-14 x 1 3/4 | 7/16-14 x 1 3/4 coupling nut pltd b18.2.2 | 479 |
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| KBS | TN | Coupling Nut | Steel | Zinc/Clear | #10-24 x 3/4 | 10-24 x 3/4 coupling nut plated b18.2.2 | 3,606 |
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| KBS | TN | Coupling Nut | Steel | Zinc/Clear | 1 1/4-7 x 3 | 1-1/4-7 x 3 coupling nut plated b18.2.2 | 57 |
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| KBS | TN | Coupling Nut | Steel | Zinc/Clear | 1 1/2-6 x 4 | 1-1/2-6 x 4 coupling nut plated b18.2.2 | 40 |
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| THRDFAST | AL | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 1/2 | coupling nut b18.2.2 | 43 |
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| THRDFAST | AL | Coupling Nut | Steel | Zinc/Clear | 1 1/4-7 | coupling nut b18.2.2 | 97 |
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| THRDFAST | FL | Coupling Nut | Steel | Zinc/Clear | 1/2-13 x 1 1/4 | coupling nut b18.2.2 | 16 |
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| THRDFAST | AL | Coupling Nut | Steel | Zinc/Clear | 1/2 | nf-20 coupling nut b18.2.2 | 1 |
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| THRDFAST | OK | Coupling Nut | Steel | Zinc/Clear | 1-8 2 1/2 | 1-8 coupling nut length 2 1/2 b18.2.2 | 5 |
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| THRDFAST | AL | Coupling Nut | Steel | Zinc/Clear | #10-24 | coupling nut b18.2.2 | 5 |
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| THRDFAST | MS | Coupling Nut | Steel | Zinc/Clear | 3/8-16 x 1 1/8 | coupling nut b18.2.2 | 8 |
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| THRDFAST | FL | Coupling Nut | Steel | Zinc/Clear | 5/16-18 | coupling nut b18.2.2 | 25 |
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| THRDFAST | MS | Coupling Nut | Steel | Zinc/Clear | 7/8-9 | coupling nut b18.2.2 | 48 |
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| THRDFAST | OK | Coupling Nut | Steel | Zinc/Clear | 5/8-11 | coupling nut b18.2.2 | 25 |
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| WSB | KY | Coupling Nut | Steel | Zinc/Clear | 1/2-13 x 4 | nut hex coupling st (zn) 1/2-13x4 b18.2.2 | 140 |
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| WSB | KY | Coupling Nut | Grade 2 | Zinc/Clear | 3/4-10 x 2 1/4 | nut hex coupling gr2 (zt) 3/4-10x2 1/4 1 b18.2.2 | 924 |
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| All Size | TX | Coupling Nut | Steel | Zinc/Clear | 1/2-13 x 1 1/4 | 1/2-13 x 1-1/4 coupling nut zinc b18.2.2 | 622 |
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| All Size | TX | Coupling Nut | Steel | Zinc/Clear | 1/2-13 x 3/8 16 x 1 1/4 | 1/2-13 x 3/8-16 x 1-1/4 reducing coupling nut zinc b18.2.2 | 127 |
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