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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Thread Type Thread Type |
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Material Material |
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Threading Threading |
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 | Fully Threaded |
 | Partially Threaded |
Thread Spacing Thread Spacing |
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Thread Direction Thread Direction |
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 | Right Hand |
Tensile Strength Tensile Strength |
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Hardness Hardness |
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Specifications Met Specifications Met |
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Finish Finish |
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Drive Style Drive Style |
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 | External Hex |
Coupling Nut Profile Coupling Nut Profile |
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About Threaded Studs and Rods
More
About Nuts, Materials, and Finishes
More
High-Strength Steel Threaded Rods
Grade 8 steel threaded rods are about 25% stronger than medium-strength steel rods.
For technical drawings and 3-D models, click on a part number.
| Lg. | Tensile Strength, psi | Hardness | Specifications Met | Each | |
Steel | |||||
|---|---|---|---|---|---|
1 1/2"-6 | |||||
| 1ft. | 150,000 | Rockwell C33 | ASTM A354BD | 000000000 | 000000 |
| 2ft. | 150,000 | Rockwell C33 | ASTM A354BD | 000000000 | 00000 |
| 3ft. | 150,000 | Rockwell C33 | ASTM A354BD | 000000000 | 000000 |
| 6ft. | 150,000 | Rockwell C33 | ASTM A354BD | 000000000 | 000000 |
| 12ft. | 150,000 | Rockwell C33 | ASTM A354BD | 000000000 | 000000 |
Medium-Strength Steel Threaded Rods—Grade B7
These Grade B7 threaded rods meet the pressure and temperature requirements of ASTM A193 and are often used to secure pressure tanks, valves, and flanges.
For technical drawings and 3-D models, click on a part number.
| Lg. | Tensile Strength, psi | Hardness | Specifications Met | Each | |
1 1/2"-6 | |||||
|---|---|---|---|---|---|
| 6" | 120,000 | Rockwell C35 | ASTM A193 | 000000000 | 000000 |
| 1ft. | 120,000 | Rockwell C35 | ASTM A193 | 000000000 | 00000 |
| 2ft. | 120,000 | Rockwell C35 | ASTM A193 | 000000000 | 00000 |
| 3ft. | 120,000 | Rockwell C35 | ASTM A193 | 000000000 | 00000 |
| 6ft. | 120,000 | Rockwell C35 | ASTM A193 | 000000000 | 00000 |
| 12ft. | 120,000 | Rockwell C35 | ASTM A193 | 000000000 | 000000 |
Low-Strength Steel Threaded Rods
About half the strength of medium-strength steel threaded rods, use these for light duty hanging, mounting, and fastening.
Zinc-plated steel threaded rods are corrosion resistant in wet environments.
Hot-dipped galvanized steel threaded rods have a thick coating for better corrosion resistance than zinc-plated steel threaded rods. They must be used with other hot-dipped galvanized fasteners.
For technical drawings and 3-D models, click on a part number.
18-8 Stainless Steel Threaded Rods
18-8 stainless steel threaded rods have good chemical resistance and may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
Super-Corrosion-Resistant 316
Stainless Steel Threaded Rods
More corrosion resistant than 18-8 and 410 stainless steel threaded rods, these 316 stainless steel rods have excellent resistance to chemicals and salt water and may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
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.
Hot-dipped galvanized steel coupling nuts have a thick coating for better corrosion resistance than zinc-plated steel nuts. They must be used with other hot-dipped galvanized fasteners.
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—Grade 2H | |||||
| 1 1/2"-6 | 3 1/2" | 2 1/2" | 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 |
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. | 1-9 | 10-Up | |
Zinc-Plated Steel | |||||
| 1 1/2"-6 | 8" | 2 3/8" | 000000000 | 000000 | 000000 |