System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Material Material |
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Drive Style Drive Style |
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Thread Fit Thread Fit |
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Shape Shape |
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| Hex | |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Thread Direction Thread Direction |
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Gender Gender |
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Threading Threading |
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| Fully Threaded | |
Hex Size Hex Size |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Thread Type Thread Type |
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Coupling Nut Profile Coupling Nut Profile |
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Thread Spacing Thread Spacing |
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Thread Length Thread Length |
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Hardness Hardness |
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Tensile Strength Tensile Strength |
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About Nuts, Materials, and Finishes
More
18-8 Stainless Steel Coupling Nuts

These coupling nuts have good chemical resistance and may be mildly magnetic. 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 | |
18-8 Stainless Steel | |||||
| 5-40 | 7/16" | 5/16" | 000000000 | 00000 | 00000 |
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 | |||||
| 5-40 | 7/16" | 5/16" | 000000000 | 00000 | 00000 |
Left-Hand to Right-Hand Female Hex Thread Adapters

Often called sleeve nuts, these thread adapters fasten parts with right-hand threads to parts with left-hand threads.
At about a third of the weight of steel adapters, aluminum adapters are the lightest we offer. They resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Thread Size | Thread Lg. | Thread Fit | Hex | Each | |||||||
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| (A) | (B) | (A) | (B) | (A) | (B) | Size | Lg. | Hardness | 1-9 | 10-Up | |
Aluminum | |||||||||||
| 5-40 | 5-40 | 1/4" | 1/4" | Class 2B | Class 2B | 5/16" | 1" | Rockwell B56 | 000000000 | 000000 | 00000 |



























