About Threaded Studs and Rods
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About Nuts, Materials, and Finishes
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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.
Zinc yellow-chromate plated steel threaded rods resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
| Lg. | Tensile Strength, psi  | Hardness | Specifications Met | Each | |
Zinc Yellow-Chromate Plated Steel | |||||
|---|---|---|---|---|---|
7/16"-20 | |||||
| 1ft. | 150,000 | Rockwell C33 | ASTM A354BD | 00000000 | 000000 |
| 2ft. | 150,000 | Rockwell C33 | ASTM A354BD | 00000000 | 00000 |
| 3ft. | 150,000 | Rockwell C33 | ASTM A354BD | 00000000 | 00000 |
| 6ft. | 150,000 | Rockwell C33 | ASTM A354BD | 00000000 | 00000 |
Steel | |||||
7/16"-20 | |||||
| 1" | 150,000 | Rockwell C33 | ASTM A354BD | 000000000 | 0000 |
| 1 1/2" | 150,000 | Rockwell C33 | ASTM A354BD | 000000000 | 0000 |
| 2" | 150,000 | Rockwell C33 | ASTM A354BD | 000000000 | 0000 |
| 3" | 150,000 | Rockwell C33 | ASTM A354BD | 000000000 | 0000 |
| 4" | 150,000 | Rockwell C33 | ASTM A354BD | 000000000 | 0000 |
| 1ft. | 150,000 | Rockwell C33 | ASTM A354BD | 000000000 | 00000 |
| 2ft. | 150,000 | Rockwell C33 | ASTM A354BD | 000000000 | 00000 |
| 3ft. | 150,000 | Rockwell C33 | ASTM A354BD | 000000000 | 00000 |
| 6ft. | 150,000 | Rockwell C33 | ASTM A354BD | 000000000 | 00000 |
Medium-Strength Steel Threaded Rods—Grade B7
Grade B7, these threaded rods have a tensile strength about one and a half times stronger than low-strength steel rods. They meet the pressure and temperature requirements of ASTM A193 and are often used to secure pressure tanks, valves, and flanges.
Zinc yellow-chromate plated steel threaded rods resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
| Lg. | Tensile Strength, psi | Hardness | Specifications Met | Each | |
7/16"-20 | |||||
|---|---|---|---|---|---|
| 1" | 125,000 | Rockwell C35 | ASTM A193 | 000000000 | 00000 |
| 1 1/2" | 125,000 | Rockwell C35 | ASTM A193 | 000000000 | 0000 |
| 2" | 125,000 | Rockwell C35 | ASTM A193 | 000000000 | 0000 |
| 3" | 125,000 | Rockwell C35 | ASTM A193 | 000000000 | 0000 |
| 4" | 125,000 | Rockwell C35 | ASTM A193 | 000000000 | 0000 |
| 1ft. | 125,000 | Rockwell C35 | ASTM A193 | 000000000 | 00000 |
| 1 1/2ft. | 125,000 | Rockwell C35 | ASTM A193 | 000000000 | 00000 |
| 2ft. | 125,000 | Rockwell C35 | ASTM A193 | 000000000 | 0000 |
| 2 1/2ft. | 125,000 | Rockwell C35 | ASTM A193 | 000000000 | 00000 |
| 3ft. | 125,000 | Rockwell C35 | ASTM A193 | 000000000 | 00000 |
| 4ft. | 125,000 | Rockwell C35 | ASTM A193 | 000000000 | 00000 |
| 5ft. | 125,000 | Rockwell C35 | ASTM A193 | 000000000 | 00000 |
| 6ft. | 125,000 | Rockwell C35 | ASTM A193 | 000000000 | 00000 |
| 8ft. | 125,000 | Rockwell C35 | ASTM A193 | 000000000 | 00000 |
| Lg. | Tensile Strength, psi | Hardness | Specifications Met | Each | |
7/16"-20 | |||||
|---|---|---|---|---|---|
| 3ft. | 125,000 | 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.
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.
| Lg. | Tensile Strength, psi | Hardness | Pkg. Qty. | Pkg. | |
7/16"-20 | |||||
|---|---|---|---|---|---|
| 1" | 70,000 | Rockwell B70 | 5 | 000000000 | 000000 |
| 2" | 70,000 | Rockwell B70 | 5 | 000000000 | 0000 |
| 3" | 70,000 | Rockwell B70 | 5 | 000000000 | 00000 |
| 4" | 70,000 | Rockwell B70 | 5 | 000000000 | 00000 |
| 1ft. | 70,000 | Rockwell B70 | 1 | 000000000 | 0000 |
| 2ft. | 70,000 | Rockwell B70 | 1 | 000000000 | 00000 |
| 3ft. | 70,000 | Rockwell B70 | 1 | 000000000 | 00000 |
| 6ft. | 70,000 | Rockwell B70 | 1 | 000000000 | 00000 |
18-8 Stainless Steel Threaded Rods—Grade B8
These Grade B8 threaded rods meet the pressure and temperature requirements of ASTM A193 and are often used to secure pressure tanks, valves, and flanges. They have good chemical resistance and may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
Hex Drive Threaded Rods
A hex drive on one end allows these rods to be turned with a hex key for ease of installation. Use them to connect parts with coarse threads to parts with fine threads. They're high-strength black-oxide steel and corrosion resistant in dry environments.
Rods with an unthreaded tip thread into nuts more easily, reducing the chance of damaging threads.
For technical drawings and 3-D models, click on a part number.
Thread (A) | Thread (B) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size | Lg. | Size | Lg. | Lg. | Unthreaded Tip Lg. | Drive Size | Tensile Strength, psi | Hardness | Each | |
Black-Oxide Alloy Steel | ||||||||||
Threaded Tip | ||||||||||
| 7/16"-14 | 7/16" | 7/16"-20 | 1" | 2" | __ | 3/32" | 150,000 | Rockwell C39 | 000000000 | 00000 |
| 7/16"-14 | 3/4" | 7/16"-20 | 1" | 2 1/2" | __ | 3/16" | 150,000 | Rockwell C39 | 000000000 | 0000 |
| 7/16"-14 | 3/4" | 7/16"-20 | 1" | 2 3/4" | __ | 3/16" | 150,000 | Rockwell C39 | 000000000 | 0000 |
| 7/16"-14 | 3/4" | 7/16"-20 | 1" | 3 1/4" | __ | 3/16" | 150,000 | Rockwell C39 | 000000000 | 0000 |
| 7/16"-14 | 1" | 7/16"-20 | 1" | 3 1/2" | __ | 3/16" | 150,000 | Rockwell C39 | 000000000 | 0000 |
| 7/16"-14 | 1" | 7/16"-20 | 1" | 3 3/4" | __ | 3/16" | 150,000 | Rockwell C39 | 000000000 | 0000 |
| 7/16"-14 | 1" | 7/16"-20 | 1" | 4" | __ | 3/16" | 150,000 | Rockwell C39 | 000000000 | 0000 |
| 7/16"-14 | 1" | 7/16"-20 | 1" | 4 1/2" | __ | 3/16" | 150,000 | Rockwell C39 | 000000000 | 0000 |
Unthreaded Tip | ||||||||||
| 7/16"-14 | 1 3/8" | 7/16"-20 | 1" | 3" | 3/8" | 3/16" | 150,000 | Rockwell C39 | 000000000 | 0000 |
| 7/16"-14 | 1 1/2" | 7/16"-20 | 1 1/8" | 3 3/4" | 3/8" | 3/32" | 150,000 | Rockwell C39 | 000000000 | 00000 |
| 7/16"-14 | 1 1/2" | 7/16"-20 | 1 1/8" | 5 1/2" | 3/8" | 3/32" | 150,000 | Rockwell C39 | 000000000 | 00000 |
| 7/16"-14 | 1 1/2" | 7/16"-20 | 1 1/8" | 5 7/8" | 3/8" | 3/32" | 150,000 | Rockwell C39 | 000000000 | 00000 |
| 7/16"-14 | 1 1/2" | 7/16"-20 | 1 1/8" | 7" | 3/8" | 3/32" | 150,000 | Rockwell C39 | 000000000 | 00000 |
| 7/16"-14 | 1 1/2" | 7/16"-20 | 1 1/8" | 8" | 3/8" | 3/32" | 150,000 | Rockwell C39 | 000000000 | 00000 |
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.
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 | |||||
| 7/16"-20 | 1 3/4" | 3/4" | 000000000 | 000000 | 000000 |
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 | |||||
| 7/16"-20 | 1 3/4" | 5/8" | 000000000 | 00000 | 00000 |
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 | |||||
| 7/16"-20 | 1 1/4" | 9/16" | 000000000 | 00000 | 00000 |
Super-Corrosion-Resistant 316 Stainless Steel Coupling Nuts
These coupling nuts have excellent resistance to chemicals and salt water. Also known as extension nuts, use them to connect and extend threaded rods. They may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
Each | |||||
|---|---|---|---|---|---|
| Thread Size | Lg. | Wd. | 1-9 | 10-Up | |
316 Stainless Steel | |||||
| 7/16"-20 | 1 1/4" | 9/16" | 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 | |||||
| 7/16"-20 | 1 1/4" | 9/16" | 000000000 | 000000 | 00000 |
Stainless Steel Extra-Long Coupling Nuts
These coupling nuts have good chemical resistance. Also known as sleeve nuts, they're 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.
Connecting Rods
Designed for use with right-hand threaded rod ends, these rods have right-hand threads on both ends. Use them for remote valve operators, throttle controllers, shifting mechanisms, and virtually any push/pull assembly.
Carbon steel rods without a plating are best for dry environments, since moisture will cause them to rust.
Aluminum rods are lightweight and corrosion resistant in wet environments.
18-8 stainless steel rods have good chemical resistance.
For technical drawings and 3-D models, click on a part number.
Carbon Steel | 18-8 Stainless Steel | Aluminum | ||||||
|---|---|---|---|---|---|---|---|---|
| Thread Size | Thread Lg. | OD | Each | Each | Each | |||
3" O'all Lg. | ||||||||
| 7/16"-20 | 1" | 7/16" | 000000 | 00 | 000000 | 00 | 00000000 | 00000 |
6" O'all Lg. | ||||||||
| 7/16"-20 | 2" | 7/16" | 00000000 | 00000 | 00000000 | 000000 | 0000000 | 00000 |
9" O'all Lg. | ||||||||
| 7/16"-20 | 2" | 7/16" | 00000000 | 00000 | 00000000 | 00000 | 00000000 | 0000 |
12" O'all Lg. | ||||||||
| 7/16"-20 | 2" | 7/16" | 00000000 | 00000 | 00000000 | 00000 | 0000000 | 00000 |
18" O'all Lg. | ||||||||
| 7/16"-20 | 2" | 7/16" | 00000000 | 00000 | 00000000 | 00000 | 0000000 | 00000 |
24" O'all Lg. | ||||||||
| 7/16"-20 | 2" | 7/16" | 00000000 | 00000 | 00000000 | 00000 | 0000000 | 00000 |
36" O'all Lg. | ||||||||
| 7/16"-20 | 2" | 7/16" | 000000 | 00 | 00000000 | 00000 | 000000 | 00 |
Internally Threaded Connecting Rods
Designed for use with right-hand threaded rod ends, these rods have right-hand threads on both ends. Use them for remote valve operators, throttle controllers, shifting mechanisms, and virtually any push/pull assembly.
Aluminum rods are lightweight and corrosion resistant in wet environments.
18-8 stainless steel rods have good chemical resistance.
For technical drawings and 3-D models, click on a part number.
Turnbuckle-Style Connecting Rods
Similar to turnbuckles, these rods have right-hand threads on one end and left-hand threads on the other so you can make a linkage that adjusts for tension. Add right- and left-hand threaded rod ends to build your linkages. Rods have a hex-shaped body so you can adjust them with a wrench.
Carbon steel rods handle higher loads than aluminum and 18-8 stainless steel rods.
Aluminum rods are lightweight and have good corrosion resistance.
18-8 stainless steel rods are corrosion resistant and stand up to chemicals.
Note: The end with the left-hand threads is marked with a groove.
For technical drawings and 3-D models, click on a part number.
Internally Threaded Turnbuckle-Style Connecting Rods
Similar to turnbuckles, these rods have right-hand threads on one end and left-hand threads on the other so you can make a linkage that adjusts for tension. Add right- and left-hand threaded rod ends to build your linkages. Rods have a hex-shaped body so you can adjust them with a wrench.
Carbon steel rods generally handle higher loads than aluminum and stainless steel rods.
Note: The end with the left-hand threads is marked with a groove.
For technical drawings and 3-D models, click on a part number.