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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Finish Finish |
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Threading Threading |
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![]() | Fully Threaded |
![]() | Partially Threaded |
Fastener Strength Grade/Class Fastener StrengthGrade/Class |
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Thread Spacing Thread Spacing |
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Thread Direction Thread Direction |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Tensile Strength Tensile Strength |
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Hardness Hardness |
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Specifications Met Specifications Met |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Coupling Nut Profile Coupling Nut Profile |
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Drive Style Drive Style |
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About Threaded Studs and Rods
More
About Nuts, Materials, and Finishes
More
High-Strength Steel Threaded Rods

Comparable to Grade 8 steel, these threaded rods have a tensile strength of 150,000 psi, making them about 25% stronger than medium-strength steel rods.
For technical drawings and 3-D models, click on a part number.
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.
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.
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 | |||||
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Thread Size | Lg. | Wd. | 1-9 | 10-Up | |
Zinc-Plated Steel | |||||
1 3/4"-5 | 5" | 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 | |||||
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Thread Size | Lg. | Wd. | 1-9 | 10-Up | |
18-8 Stainless Steel | |||||
1 3/4"-5 | 5 1/4" | 2 3/4" | 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.
For technical drawings and 3-D models, click on a part number.
Each | ||||||
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Thread Size | Lg. | Wd. | Threading | 1-9 | 10-Up | |
Steel | ||||||
1 3/4"-5 | 8 1/2" | 2 3/4" | Partially Threaded | 000000000 | 0000000 | 000000 |