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1, Coupling Nut
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.
125 member results, (click on any line for more information)
| Search Results Sponsored by American Imperial Screw, your source for Hex Coupling Nuts . For more results, visit www.discountscrews.com | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| American | NY | Coupling Nut | Steel | Zinc/Clear | 1-8 | (2-3/4x1-3/8) coupling nut pl | 34 |
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| American | NY | Coupling Nut | 316, 317, A4 Stainless | Plain | 1-8 | rod coupler nut 316 stainless | 1 |
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| American | NY | Coupling Nut | Steel | Galvanized | 1 x 3 | 1 x 3 coupling nut hdg | 2 |
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| Buy Hex Coupling Nuts from one of our FCH Network Members | ||||||||
| Jackson | MS | Coupling Nut | Steel | Zinc/Clear | 1-14 x 1 3/8 | wafx2 3/4 oal nf coupling nut | 4 |
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| Weaver | WA | Coupling Nut | Steel | Zinc/Clear | 1-14 | 1-14 coupling nut zinc | 5 |
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| B & K FAST | PA | Coupling Nut | Steel | Plain | 1-14 x 2 3/4 | 1-14 x 2 3/4 hex coupling nuts pln b18.2.2 | 9 |
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| YANKEE | NH | Coupling Nut | Steel | Zinc/Clear | 1-14 | coupling nut | 10 |
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| ISSCO | MO | Coupling Nut | Grade 2 | Zinc/Clear | 1-14 x 2 1/2 | nut hex coupling z/p | 85 |
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| FastWare | Sask | Coupling Nut | Grade 2 | Plain | 1-14 x 1 3/8 | afx2 3/4 uns coupling nut | 1,081 |
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| KBS | TN | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-14 x 3 | 1-14 x 3 coupling nut s/s b18.2.2 | 99 |
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| Alma Bolt | MI | Coupling Nut | Plain | fail | 1-14 sae (1 3/8 af x 2 3/4 lg) coupling nut | 49 |
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| Jackson | MS | Coupling Nut | Steel | Zinc/Clear | 1-8 x 1 1/4 x 2 1/2 | oal nc coupling nut | 104 |
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| American | NY | Coupling Nut | Steel | Zinc/Clear | 1-8 | (2-3/4x1-3/8) coupling nut pl | 34 |
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| Lippin | CA | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 3/4 | 1-8 x 2 3/4 coup nut zn (75) | 150 |
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| Lippin | CA | Coupling Nut | Steel | Plain | 1-8 | 1-8 coup nut plain (50) | 642 |
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| American | NY | Coupling Nut | 316, 317, A4 Stainless | Plain | 1-8 | rod coupler nut 316 stainless | 1 |
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| Ababa | CA | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 2 1 3/8 | 1-8 x 2 3/4 cplng nut 1 3/8 af s/s b18.2.2 | 4 |
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| Ababa | CA | Coupling Nut | Steel | Plain | 1-8 x 2 1 3/8 | 1-8 x 2 3/4 cplng nut 1 3/8 af stl pln b18.2.2 | 2 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 1 3/8 | 1-8 x 2 3/4 cplng nut 1 3/8 af stl znc b18.2.2 | 10 |
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| Ababa | CA | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 1 3/8 | 1-8 x 2 3/4 cplng nut 1 3/8 af stl znc b18.2.2 | 5 |
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| Ababa | CA | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 2 1/2 | 1-8 x 2 1/2 cplng nut 1 3/8 a.f. s/s b18.2.2 | 2 |
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| Lubker Di | PA | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 1/2 | 1-8x2 1/2 hex rod coupling nut zp | 50 |
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| YANKEE | NH | Coupling Nut | Steel | Zinc/Clear | 1-8 | 1-8 (2-3/4 long) coupling nut steel zinc plated | 10 |
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| OneMonroe | NC | Coupling Nut | Steel | Zinc/Clear | 1-8 x 7/8 | 1-8 x 7/8 reducer coupling nut zinc pltd | 16 |
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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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| SII | IN | Coupling Nut | Steel | Zinc/Clear | 1-8 | 1-8 zinc rod coupling) b18.2.2 | 50 |
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| METRO IND | OH | Coupling Nut | Steel | Zinc/Clear | 1-8 | coupling nut uss | 1 |
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| METRO IND | OH | Coupling Nut | Steel | Plain | 1-8 x 1 1 5/8 | 1-8x1 1/2 coupling nut 1 5/8 waf | 5 |
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| TSF | TX | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 3/4 x 1 | hex coupling nut steel zinc plated 1 -8 x 2 3/4 x 1 3/8 af | 21 |
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| ACCURATE | IL | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 1/2 | hex coupling nut | 15 |
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| SunPack | FL | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 1 1/4 | 1-8 304 ss coupling nut | 8 |
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| SunPack | FL | Coupling Nut | Steel | Galvanized | 1-8 | 1-8 coupling nut hdg | 7 |
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| THRDFAST | FL | Coupling Nut | 316, 317, A4 Stainless | Plain | 1-8 | t-316 ss coupling nut b18.2.2 | 9 |
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| THRDFAST | FL | Coupling Nut | Steel | Plain | 1-8 | coupling nut b18.2.2 | 1 |
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| OBRIEN | OH | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 1/2 | hex coupling nut | 69 |
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| Stelfast | OH | Coupling Nut | Steel | Zinc/Clear | 1-8 x 1 1/4 x 2 1/2 | 1-8x1-1/4x2-1/2l hex coupling nut zp | inquire |
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| Stelfast | OH | Coupling Nut | Steel | Plain | 1-8 x 1 1/4 x 2 1/2 | 1-8x1-1/4x2-1/2l hex coupling nut | inquire |
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| Stelfast | OH | Coupling Nut | Steel | Galvanized | 1-8 x 1 1/4 x 2 1/2 | 1-8x1-1/4x2-1/2l hex coupling nut hdg/tos 0.024 | inquire |
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| Stelfast | OH | Coupling Nut | Steel | Zinc/Clear | 1-8 x 1 1/4 x 2 1/2 | 1-8x1-1/4x2-1/2l hex coupling nut zp | inquire |
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| Stelfast | OH | Coupling Nut | Steel | Zinc/Clear | 1-8 x 1 3/8 x 2 3/4 | 1-8x1-3/8x2-3/4l hex coupling nut zp | inquire |
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| Stelfast | OH | Coupling Nut | Steel | Plain | 1-8 x 1 3/8 x 2 3/4 | 1-8x1-3/8x2-3/4l hex coupling nut | inquire |
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| Lippin | CA | Coupling Nut | Grade 5 | Plain | 1-8 x 3/4 | 1-8 x 3/4-10 reducer coupling nut grade 5 with witness holes plain | 10 |
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| Lippin | CA | Coupling Nut | Grade 5 | Plain | 1-8 x 7/8 | 1-8 x 7/8-9 reducer coupling nut grade 5 with witness holes plain | 10 |
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| NutsBolts | NE | Coupling Nut | Steel | Zinc/Clear | 1-8 | 1-8 coupling nut zp | 92 |
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| MidStates | MI | Coupling Nut | Steel | Plain | 1-8 | coupling nut lh thrd | 4 |
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| MidStates | MI | Coupling Nut | Steel | Plain | 1-8 x 2 1/2 | coupling nut | 50 |
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| BHAM | AL | Coupling Nut | Steel | Plain | 1-8 x 2 1/2 | coupling nut | 30 |
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| Future Fastener | TX | Coupling Nut | Steel | Zinc/Clear | 1-8 | 1-8 coupling nut plt | 65 |
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| Jackson | MS | Coupling Nut | Steel | Galvanized | 1-8 | nc coupling nut hdg 1 1/4wafx2 1/2 oal | 2 |
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| Jackson | MS | Coupling Nut | Grade 2H | Galvanized | 1-8 | nc 2h coupling nut hdg 1 5/8 wafx2 3/4 oal | 24 |
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| Lippin | CA | Coupling Nut | Steel | Zinc/Clear | 1-8 x 3/4 | reducer coupling nut zinc plated | 100 |
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| Lippin | CA | Coupling Nut | Steel | Zinc/Clear | 1-8 x 7/8 | reducer coupling nut zinc plated | 30 |
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| Lippin | CA | Coupling Nut | Steel | Plain | 1-8 x 5/8 | reducer coupling nut plain | 151 |
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| Lippin | CA | Coupling Nut | Steel | Zinc/Clear | 1-8 | coupling nut w/ sight-hole zinc plated | 1350 |
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| Lippin | CA | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 3/4 | coupling nut zinc plated | 1000 |
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| Lippin | CA | Coupling Nut | Steel | Plain | 1-8 | coupling nut plain | 842 |
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| Lippin | CA | Coupling Nut | Steel | Galvanized | 1-8 | coupling nut hot dipped galvanized | 1700 |
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| Lippin | CA | Coupling Nut | Steel | Galvanized | 1-8 | coupling nut w/ sight-hole hot dipped galvanized | 1685 |
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| THRDFAST | AL | Coupling Nut | Grade 2H | Plain | 1-8 x 2 3/4 | h coupling nut b18.2.2 | 20 |
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| QFC | TX | Coupling Nut | Steel | Galvanized | 1-8 | 1-8 hvy hex coup nut hdg regular b18.2.2 | 6 |
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| BHAM | AL | Coupling Nut | ASTM A563 Grade DH | Plain | 1-8 x 3 | 1-8x3 a563 dh hex coupling nut b18.2.2 | 2 |
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| BHAM | AL | Coupling Nut | Steel | Plain | 1-8 x 2 1/2 | 1-8x2 1/2 coupling nut b18.2.2 | 2 |
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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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| ASFCORP | MI | Coupling Nut | Grade 2 | Zinc/Clear | 1-8 x 2 1/2 | 1-8 x 2 1/2 hex coupling nut sae j995 gr 2 tri zn fe/zn 5an pkg | 6 |
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| FastWare | Sask | Coupling Nut | Grade 2 | Zinc/Clear | 1-8 x 1 3/8 | afx2 3/4 nc coupling nut | 10 |
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| FastWare | Sask | Coupling Nut | Grade 2 | Plain | 1-8 x 1 3/8 | afx2 3/4 nc coupling nut | 20 |
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| Liberty | IL | Coupling Nut | Steel | Zinc/Clear | 1-8 | rod coupling nut plate plate | 10 |
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| Liberty | IL | Coupling Nut | Steel | Plain | 1-8 | rod coupler | 5 |
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| HBBOLT | CA | Coupling Nut | Steel | Galvanized | 1-8 | coupling nut h.d.g. | 36 |
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| HBBOLT | CA | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 1/2 | hex coupling nut | 37 |
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| HBBOLT | CA | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 | hex coupling nut 18-8 304 | 18 |
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| Kanebridge | IL | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 2 1/2 | 1-8x2 1/2 hex rod coupling nut 1 1/4 inch across flats 18-8 stainless steel | 0.500 |
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| Kanebridge | IL | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 3/4 | 1-8x2 3/4 hex rod coupling nut 1 3/8 inch across flats zinc | 0.500 |
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| XL Screw | GA | Coupling Nut | Steel | Zinc/Clear | 1-8 x 1 3/8 x 2 3/4 | hex coupling nuts dc-dc zp | 60 |
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| OSSCO | RI | Coupling Nut | 316, 317, A4 Stainless | Plain | 1-8 x 2 1/2 | 1-8x2 1/2 coupling nut 316 s/s b18.2.2 | 8 |
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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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| SunPack | FL | Coupling Nut | Steel | Galvanized | 1-8 | 1-8 coupling nut hdg | 7 |
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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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| NutsBolts | NE | Coupling Nut | Steel | Galvanized | 1-8 | 1-8 coupling nut hdg | 39 |
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| Brikksen | FL | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 1 1/4 | 1-8 hex coupling nut 18-8 ss | 200 |
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| Brikksen | FL | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 1 1/4 | 1-8 hex coupling nut 18-8 ss | inquire |
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| Raw Produ | NJ | Coupling Nut | 316, 317, A4 Stainless | Plain | 1-8 x 1 1/4 | coupling nuts 316 ss 1-8 | 16 |
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| Raw Produ | NJ | Coupling Nut | Steel | Zinc/Clear | 1-8 x 1 1/4 | coupling nuts zinc 1-8 | 100 |
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| SWACO | OH | Coupling Nut | Grade 5 | Plain | 1-8 x 2 3/4 | 1-8x2-3/4 coupling nut grade 5 | 9 |
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| Empire | WA | Coupling Nut | Steel | Plain | 1-8 x 2 1/2 | 1-8 x 2-1/2 rod coupling nut | 73 |
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| Raw Produ | NJ | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 1 1/4 | coupling nuts 304 ss 1-8 | 6 |
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| Brikksen | FL | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 1 1/4 | 1-8 hex coupling nut 18-8 ss | inquire |
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| OneMonroe | MN | Coupling Nut | Galvanized | 1-8 x 1 1/4 | 1-8 hex coupling nut hdg | 10 |
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| Stelfast | OH | Coupling Nut | Steel | Galvanized | 1-8 x 1 3/8 x 2 3/4 | 1-8x1-3/8x2-3/4l hex coupling nut hdg/tos 0.024 | inquire |
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| THRDFAST | OK | Coupling Nut | Steel | Plain | 1-8 | coupling nut b18.2.2 | 25 |
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| SWACO | OH | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 1/2 | 1-8x2-1/2 coupling nut zinc | 21 |
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| Raw Produ | NJ | Coupling Nut | Steel | Galvanized | 1-8 x 1 1/4 | coupling nuts hdg 1-8 (1-3/8 f x 2-3/4 l) | 26 |
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| OneMonroe | MN | Coupling Nut | Steel | Zinc/Clear | 1-8 x 7/8 | 1-8 x 7/8 reducer coupling nut zinc pltd | 16 |
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| Brikksen | FL | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 1 1/4 | 1-8 hex coupling nut 18-8 ss | 100 |
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| Raw Produ | NJ | Coupling Nut | Grade A | Plain | 1-8 x 1 1/4 | coupling nut-a563 grade a plain steel 1-8 (1-3/8 flats) x 2-3/4 | 500 |
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| Raw Produ | NJ | Coupling Nut | Steel | Galvanized | 1-8 x 1 1/4 | coupling nuts hdg 1-8 (1-1/4 f x 2-1/2 l) | 24 |
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| Brikksen | FL | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 1 1/4 | 1-8 hex coupling nut 18-8 ss | inquire |
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| Brikksen | FL | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 1 1/4 | 1-8 hex coupling nut 18-8 ss | inquire |
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| THRDFAST | AL | Coupling Nut | Grade 5 | Galvanized | 1-8 x 2 3/4 | coupling nut hdg b18.2.2 | 2 |
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| Alma Bolt | MI | Coupling Nut | Galvanized | 1-8 x 1 1/4 | 1-8 (2 3/4 oal x 1 3/8 af) hot dipped galv. coupling nut | 31 |
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| THRDFAST | AL | Coupling Nut | Grade A | Galvanized | 1-8 x 3 | a563 gr a hex coupling nut hdg domestic b18.2.2 | 40 |
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| Alma Bolt | MI | Coupling Nut | Grade 5 | Plain | 1-8 x 1 1/4 | 1-8 grade 5(1 3/8af x 2 3/4lg) coupling nut | 50 |
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| Brikksen | FL | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 1 1/4 | 1-8 hex coupling nut 18-8 ss | inquire |
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| Empire | WA | Coupling Nut | Steel | Plain | 1-8 x 2 1/2 | 1-8 x 2-1/2 rod coupling nut | 200 |
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| Brikksen | FL | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 1 1/4 | 1-8 hex coupling nut 18-8 ss | 200 |
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| Alma Bolt | MI | Coupling Nut | Plain | fail | 1-8 heavy(1 5/8af x 3 lg) coupling nut | 347 |
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| Weaver | WA | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 | 1-8 coupling nut 18-8 ss | 2 |
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| Jackson | MS | Coupling Nut | Grade 2H | Plain | 1-8 1 5/8 | 1-8 nc 2h coupling nut 1 5/8 wafx2 3/4 oal | 6 |
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| Jackson | MS | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 | 1 nc coupling nut stainless | 10 |
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| Ababa | CA | Coupling Nut | Steel | Plain | 1-8 x 1 1/4 x 2 3/4 | 1-8 x 2 3/4 cplng nut 1-3/8 a/f tapped h7 stl pln | 52 |
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| ACCURATE | IL | Coupling Nut | Steel | Zinc/Clear | 1 | 1 1/4-7 hex coupling nut (1-5/8 widex3 long) | 4 |
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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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| R&S Indus | OR | Coupling Nut | Steel | Zinc/Clear | 1-8 x 1 3/8 x 2 3/4 | 1-8 x 1 3/8 x 2 3/4 hex coupling regular nut nc zinc | 20 |
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| American | NY | Coupling Nut | Steel | Galvanized | 1 x 3 | 1 x 3 coupling nut hdg | 2 |
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| MidStates | MI | Coupling Nut | Steel | Zinc/Clear | 1 x 1/2 | 1inx1/2 reducer coupling nut znc | 4 |
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| Jackson | MS | Coupling Nut | Steel | Plain | 1 | 1 nc coupling nut finish | 317 |
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| OBRIEN | OH | Coupling Nut | Steel | Plain | 1-8 2 1/2 1 1/4 | 1-8 hex coupling nut 2 1/2 length 1 1/4 width | 200 |
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| BHAM | AL | Coupling Nut | Steel | Plain | 1-14 x 1 3/8 x 2 3/4 | 1-14 x 2 3/4 coupling nut | | 3 |
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| A-Plus Co | OR | Coupling Nut | Steel | Zinc/Clear | 1-8 x 1 1/4 x 2 | 1-8 x 2 coupling nut zp nc | 27 |
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| Olander | CA | Coupling Nut | Steel | Zinc/Clear | 1-8 x 2 3/4 cplng nut 1-3/8 hx non-rohs | 2 |
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| F. Solutions | OH | Coupling Nut | Steel | Zinc/Clear | 1-8 x 1 1/4 x 2 3/4 | coupling nut 1-8 x 2-3/4 lg x 1-3/8 w.a.f. zinc plated | | 12 |
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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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| OneMonroe | MN | Coupling Nut | Grade 5 | Plain | 1 | 1 gr 5 coupling nut | 6 |
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| GLF | OH | Coupling Nut | Steel | Plain | 1-8 x 1 1/4 x 2 1/2 | 1-8 x 2-1/2 hex coupling nut stl pln 153687 | 20 |
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| Century | FL | Coupling Nut | Plain | 1 | an818-l16d nut hex coupling 1in tube drill/bl | 354 |
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| Brikksen | Coupling Nut | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 1 1/4 | 1-8 hex coupling nut asme b18.2.2 18.8 | 120 |
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