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1/2 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.
50 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 | ||||||||
| 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 | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | tube coupling nut 304ss AN818-8D b18.2.2 () () | 25 |
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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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| GLF | OH | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/4 | 1/2-13x1-1/4 hex coupling nut 18-8 s/s b18.2.2 () () | 250 |
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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 () () | 780 |
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| Ababa | CA | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/4 | 1/2-13 x 1 1/4 cplng nut s/s b18.2.2 | 47 |
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| Ababa | CA | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/4 | 1/2-13 x 1 1/4 cplng nut s/s b18.2.2 | 15 |
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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 | 591 |
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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 | Plain | 1/2-13 x 1 3/4 | 1/2-13 x 1 3/4 cplng nut stl pln b18.2.2 | 196 |
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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 | 278 |
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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 | 20 |
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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 | 212 |
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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 | 100 |
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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 | 25 |
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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 | 40 |
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| Ababa | CA | Coupling Nut | Steel | Galvanized | 1/2-13 x 1 3/4 | 1/2-13 x 1 3/4 cplng nut stl hdg b18.2.2 | 125 |
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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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| 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 | 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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| 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 | Galvanized | 1/2-13 x 1 3/4 | 1/2-13 x 1 3/4 galv hex coupling nut b18.2.2 | 20 |
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| B & K FAST | PA | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/4 | 1/2-13 x 1 1/4 stainless coupling nuts b18.2.2 | 50 |
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| Marine Fasteners | FL | Coupling Nut | 316, 317, A4 Stainless | Plain | 1/2-13 x 1 1/4 | 1/2-13x1-1/4 coupling nut 316 s/s 316ss b18.2.2 | 2110 |
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| Marine Fasteners | FL | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 x 1 1/4 | 1/2-20 x 1-1/4 coupling nut ss b18.2.2 | 1569 |
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| OSSCO | RI | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/4 | 1/2-13x1 1/4 coupling nut 18-8 304 b18.2.2 | 5 |
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| Bostwick | IN | Coupling Nut | Steel | Zinc/Clear | 1/2-13 x 1 1/4 | 1/2-13 x 1 1/4 reducing coup nut 5/8-11 zinc b18.2.2 | 31 |
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| Bostwick | IN | Coupling Nut | Steel | Zinc/Clear | 1/2-13 x 1 7/8 | 1/2-13 x 1 3/4 coupling nut heavy zinc 7/8 across the flats b18.2.2 | 6 |
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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 | Zinc/Clear | 1/2-13 | reducing coupling nut 3/8-16 b18.2.2 | 1,250 |
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| THRDFAST | FL | Coupling Nut | 316, 317, A4 Stainless | Plain | 1/2-13 x 1 1/4 | t-316 ss coupling nut b18.2.2 | 16 |
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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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| THRDFAST | TN | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 1/4 | 18-8 ss coupling nut b18.2.2 | 114 |
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| THRDFAST | TN | Coupling Nut | Steel | Plain | 1/2-13 | coupling nut b18.2.2 | 3 |
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| THRDFAST | AL | Coupling Nut | Steel | Galvanized | 1/2-13 x 1 3/4 | coupling nut hdg b18.2.2 | 11600 |
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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 | MS | Coupling Nut | 316, 317, A4 Stainless | Plain | 1/2-13 x 1 1/4 | t-316 ss coupling nut b18.2.2 | 3 |
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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 | MS | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 3/4 | 18-8 ss coupling nut b18.2.2 | 5 |
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| THRDFAST | FL | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 1 3/4 | 18-8 ss coupling nut b18.2.2 | 1 |
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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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| 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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