Mount Type Mount Type |
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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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For Maximum Trailer Weight For Maximum Trailer Weight |
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Material Material |
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Stud Length Stud Length |
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Ring ID Ring ID |
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Vertical Capacity Vertical Capacity |
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Threading Threading |
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 | Fully Threaded |
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Fastener Strength Grade/Class Fastener StrengthGrade/Class |
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Finish Finish |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Ring Thickness Ring Thickness |
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Thread Direction Thread Direction |
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Overall Depth Overall Depth |
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Thread Type Thread Type |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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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.
Black-oxide steel coupling nuts have a dark surface color and are mildly corrosion resistant in dry environments.
For technical drawings and 3-D models, click on a part number.
Medium-Strength Steel Coupling Nuts—Grade 5
Also known as extension nuts, use these to connect and extend threaded rods.
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—Grade 5 | |||||
| 1 1/2"-6 | 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"-6 | 3 1/2" | 2 1/4" | 000000000 | 000000 | 000000 |
Extreme-Strength Steel Coupling Nuts
Also known as extension nuts, use these to connect and extend threaded rods. Made from Grade 2H steel, they're about 20% stronger than high-strength steel coupling nuts and comparable in strength to Grade 9 bolts.
For technical drawings and 3-D models, click on a part number.
Each | |||||
|---|---|---|---|---|---|
| Thread Size | Lg. | Wd. | 1-9 | 10-Up | |
Steel—ASTM Grade 2H | |||||
| 1 1/2"-6 | 3 1/2" | 2 3/8" | 000000000 | 000000 | 000000 |
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 | |||||
| 1 1/2"-6 | 3 1/2" | 2" | 000000000 | 000000 | 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"-6 | 3 1/2" | 2" | 000000000 | 0000000 | 0000000 |
Steel Extra-Long Coupling Nuts
Also known as sleeve nuts, these are at least twice the length of standard coupling nuts to provide more room to connect and extend long lengths of threaded rods.
Zinc-plated steel nuts resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Each | ||||||
|---|---|---|---|---|---|---|
| Thread Size | Lg. | Wd. | Threading | 1-9 | 10-Up | |
Zinc-Plated Steel | ||||||
| 1 1/2"-6 | 8" | 2 3/8" | Partially Threaded | 000000000 | 000000 | 000000 |
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.
Zinc-plated steel adapters are strong and corrosion resistant.
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 | |
Zinc-Plated Steel | |||||||||||
| 1 1/2"-6 | 1 1/2"-6 | 3 3/4" | 3 3/4" | Class 2B | Class 2B | 2 3/8" | 8" | Rockwell B65 | 000000000 | 000000 | 000000 |
Drawbar Rings
These rings mount to a trailer and connect to the drawbar coupler or tow hook on a vehicle to create a towing connection. Maximum trailer weight is the total weight being towed. Vertical capacity (also known as tongue weight) represents the weight of the load on the drawbar ring.
Note: Capacity is reduced 25% in off-road use.
For technical drawings and 3-D models, click on a part number.
Overall | Ring | Thread | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Style | For Max. Trailer Wt., lbs. | Vertical Capacity, lbs. | Dp. | Material | ID | Thick. | Stud Length | Size | Length | Each | |
Threaded Stud | |||||||||||
| 3 | 15,000 | 3,000 | 9 1/8" | Steel | 2 1/2" | 1 1/2" | 3 1/4" | 1 1/2"-6 | 1 3/4" | 00000000 | 0000000 |