System of Measurement System of Measurement |
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Thread Type Thread Type |
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OD OD |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Threading Threading |
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 | Fully Threaded |
Thread Direction Thread Direction |
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Fastener Strength Grade/Class Fastener StrengthGrade/Class |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Thread Spacing Thread Spacing |
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Drive Style Drive Style |
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 | External Hex |
Coupling Nut Profile Coupling Nut Profile |
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Thread Fit Thread Fit |
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Finish Finish |
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Angle of Misalignment Angle of Misalignment |
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Body Material Body Material |
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Maximum Pull Force Maximum Pull Force |
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About Air Cylinders
More
About Nuts, Materials, and Finishes
More
Low-Strength Steel Coupling Nuts
Also known as extension nuts, use these to connect and extend threaded rods. They're about half the strength of medium-strength steel coupling nuts for use in light duty fastening applications.
Zinc-plated steel coupling nuts resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Each | |||||
|---|---|---|---|---|---|
| Thread Size | Lg. | Wd. | 1-9 | 10-Up | |
Zinc-Plated Steel | |||||
| 1 1/2"-12 | 3 1/2" | 2" | 000000000 | 000000 | 000000 |
High-Strength Steel Coupling Nuts—Grade 8
Also known as extension nuts, use these to connect and extend threaded rods. Made from Grade 8 steel, they're about 25% stronger than medium-strength steel coupling nuts. A zinc plating provides corrosion resistance in wet environments.
For technical drawings and 3-D models, click on a part number.
Each | |||||
|---|---|---|---|---|---|
| Thread Size | Lg. | Wd. | 1-9 | 10-Up | |
Zinc-Plated Steel—Grade 8  | |||||
| 1 1/2"-12 | 3 1/2" | 2 1/4" | 000000000 | 0000000 | 000000 |
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 | |||||
| 1 1/2"-12 | 3 1/2" | 2" | 000000000 | 0000000 | 0000000 |
Rod Alignment Couplers
Increase cylinder life by fixing alignment problems between air or hydraulic cylinders and driven components. Couplers have a threaded end that moves to compensate for the angle of misalignment, reducing wear on cylinder bearings and seals. Couplers have a male and female end.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Body Material | OD | Lg. | Max. Pull Force, lbs. | Each | |
5° of Misalignment | ||||||
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| 1 1/2"-12 | Steel | 4" | 6 5/8" | 183,000 | 000000 | 0000000 |