Material Material |
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System of Measurement System of Measurement |
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Shape Shape |
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 | Hex |
Gender Gender |
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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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Finish Finish |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (DefenseAcquisition Regulations Supplement)  |
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Body Material Body Material |
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Thread Fit Thread Fit |
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Drive Style Drive Style |
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 | External Hex |
Angle of Misalignment Angle of Misalignment |
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Maximum Pull Force Maximum Pull Force |
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Threading Threading |
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 | Fully Threaded |
Thread Length Thread Length |
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Hardness Hardness |
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Hex Size Hex Size |
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Tensile Strength Tensile Strength |
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For Adapting For Adapting |
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Coupling Nut Profile Coupling Nut Profile |
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About Air Cylinders
More
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.
Choose black-oxide steel adapters to match the aesthetics of your system or for their mild corrosion resistance. The finish won't chip or rub off. They resist rust in indoor and dry environments, but avoid using them in corrosive environments.
At about a third of the weight of steel adapters, aluminum adapters are the lightest we offer. They resist corrosion in wet environments.
18-8 stainless steel adapters have good corrosion resistance.
Black-oxide 18-8 stainless steel adapters have a black finish that won’t chip or rub off.
316 stainless steel adapters have the best corrosion resistance. They stand up to wet environments, just like 18-8 stainless steel adapters, but unlike 18-8 stainless steel adapters, they resist corrosion caused by salt water and harsh chemicals.
For technical drawings and 3-D models, click on a part number.
Thread Size | Thread Lg. | Thread Fit | Hex | Each | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| (A) | (B) | (A) | (B) | (A) | (B) | Size | Lg. | Hardness | 1-9 | 10-Up | |
Black-Oxide Steel | |||||||||||
| 5-40 | 5-40 | 1/4" | 1/4" | Class 2B | Class 2B | 5/16" | 1" | Rockwell B80 | 000000000 | 000000 | 00000 |
Aluminum | |||||||||||
| 5-40 | 5-40 | 1/4" | 1/4" | Class 2B | Class 2B | 5/16" | 1" | Rockwell B56 | 000000000 | 00000 | 0000 |
18-8 Stainless Steel | |||||||||||
| 5-40 | 5-40 | 1/4" | 1/4" | Class 2B | Class 2B | 5/16" | 1" | Rockwell B80 | 000000000 | 0000 | 0000 |
Black-Oxide 18-8 Stainless Steel | |||||||||||
| 5-40 | 5-40 | 1/4" | 1/4" | Class 2B | Class 2B | 5/16" | 1" | Rockwell B80 | 000000000 | 00000 | 0000 |
316 Stainless Steel | |||||||||||
| 5-40 | 5-40 | 1/4" | 1/4" | Class 2B | Class 2B | 5/16" | 1" | Rockwell B80 | 000000000 | 00000 | 0000 |
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 | ||||||
|---|---|---|---|---|---|---|
| 5-40 | Nickel-Plated Brass | 0.47" | 1.2" | 110 | 000000 | 000000 |