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About Nuts, Materials, and Finishes
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Brass Coupling Nuts
These coupling nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. Also known as extension nuts, use them to connect and extend threaded rods.
For technical drawings and 3-D models, click on a part number.
Each | |||||
|---|---|---|---|---|---|
| Thread Size | Lg. | Wd. | 1-9 | 10-Up | |
Brass | |||||
| 4-40 | 7/16" | 5/16" | 000000000 | 00000 | 00000 |
| 6-32 | 1/2" | 5/16" | 000000000 | 0000 | 0000 |
| 8-32 | 5/8" | 3/8" | 000000000 | 0000 | 0000 |
| 10-24 | 3/4" | 3/8" | 000000000 | 0000 | 0000 |
| 10-32 | 3/4" | 3/8" | 000000000 | 0000 | 0000 |
| 1/4"-20 | 7/8" | 3/8" | 000000000 | 0000 | 0000 |
| 5/16"-18 | 7/8" | 1/2" | 000000000 | 0000 | 0000 |
| 3/8"-16 | 1 1/8" | 1/2" | 000000000 | 0000 | 0000 |
| 3/8"-16 | 1 3/4" | 5/8" | 000000000 | 0000 | 0000 |
| 1/2"-13 | 1 1/4" | 5/8" | 000000000 | 0000 | 0000 |
| 1/2"-13 | 1 3/4" | 11/16" | 000000000 | 0000 | 0000 |
| 5/8"-11 | 2 1/8" | 13/16" | 000000000 | 00000 | 00000 |
| 3/4"-10 | 2 1/4" | 1" | 000000000 | 00000 | 00000 |
| 1"-8 | 2 3/4" | 1 3/8" | 000000000 | 00000 | 00000 |