About Threaded Studs and Rods
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About Nuts, Materials, and Finishes
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Metric Medium-Strength Steel Threaded Rods—Grade B7
Made of Grade B7 steel, the tensile strength of these threaded rods is one and a half times higher than low-strength steel threaded rods. They also 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.
Metric Fine-Thread Medium-Strength Steel Threaded Rods—Grade B7
The tensile strength of these metric Grade B7 rods is about one and a half times higher than low-strength steel rods. Often used to secure pressure tanks, valves, and flanges, these rods meet the pressure and temperature requirements of ASTM A193.
For technical drawings and 3-D models, click on a part number.
Medium-Strength Steel Threaded Rods—Class 8.8
An economical alternative to Grade B7 and Grade B16 threaded rods, these metric Class 8.8 rods are suitable for fastening most machinery and equipment.
Zinc-plated steel threaded rods resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Lg. | Thread Pitch, mm | Tensile Strength, psi | Hardness | Specifications Met | Each | |
Zinc-Plated Steel | ||||||
---|---|---|---|---|---|---|
M22 | ||||||
1 m | 2.5 | 110,000 | Rockwell C20 | DIN 975 | 000000000 | 000000 |
Metric High-Strength Steel Threaded Rods—Class 10.9
These Class 10.9 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. | Thread Pitch, mm | Tensile Strength, psi | Hardness | Specifications Met | Each | |
Steel | ||||||
---|---|---|---|---|---|---|
M22 | ||||||
50 mm | 2.5 | 150,000 | Rockwell C32 | DIN 976 | 0000000 | 000000 |
100 mm | 2.5 | 150,000 | Rockwell C32 | DIN 976 | 0000000 | 00000 |
150 mm | 2.5 | 150,000 | Rockwell C32 | DIN 976 | 0000000 | 00000 |
200 mm | 2.5 | 150,000 | Rockwell C32 | DIN 976 | 0000000 | 00000 |
300 mm | 2.5 | 150,000 | Rockwell C32 | DIN 976 | 0000000 | 00000 |
500 mm | 2.5 | 150,000 | Rockwell C32 | DIN 976 | 0000000 | 00000 |
1 m | 2.5 | 150,000 | Rockwell C32 | DIN 976 | 0000000 | 00000 |
Metric Very-High-Strength Steel Threaded Rods—Class 12.9
Class 12.9 rods are about 20% stronger than Class 10.9 threaded rods and are for use in heavy machinery.
For technical drawings and 3-D models, click on a part number.
Lg. | Thread Pitch, mm | Tensile Strength, psi | Hardness | Specifications Met | Each | |
Steel | ||||||
---|---|---|---|---|---|---|
M22 | ||||||
1 m | 2.5 | 170,000 | Rockwell C39 | DIN 976 | 00000000 | 0000000 |
Metric Low-Strength Steel Threaded Rods
These threaded rods are about half the strength of medium-strength steel threaded rods 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.
Metric Fine-Thread Low-Strength Steel Threaded Rods
About half the strength of medium-strength steel threaded rods, use these for light duty hanging, mounting, and fastening.
For technical drawings and 3-D models, click on a part number.
Metric 18-8 Stainless Steel Threaded Rods
These 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.
Metric Threaded on Both Ends Studs
Also known as setup studs, these studs withstand sideways forces better than fully threaded studs because they have an unthreaded middle that is stronger than the treaded ends. The unthreaded middle also makes more contact with unthreaded holes, which creates better alignment than a fully threaded stud.
Black-oxide steel studs resist rusting in dry environments.
Studs that meet DIN standards meet dimensional and material requirements. Thread Length (B) includes chamfer on DIN 938 studs.
For technical drawings and 3-D models, click on a part number.
Metric Low-Strength Steel Coupling Nuts
Often referred to 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.
Metric Medium-Strength Steel Coupling Nuts—Class 8
Often referred to as extension nuts, use these to connect and extend threaded rods. They're comparable in strength to Class 8.8 bolts.
Zinc-plated steel coupling nuts resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Thread | Each | ||||||
---|---|---|---|---|---|---|---|
Size | Pitch, mm | Lg., mm | Wd., mm | Specifications Met | 1-9 | 10-Up | |
Zinc-Plated Steel—Class 8 | |||||||
M22 | 2.5 | 66 | 32 | DIN 6334, ASME B18.2.2 | 000000000 | 000000 | 000000 |
Metric 18-8 Stainless Steel Coupling Nuts
Made from 18-8 stainless steel, these metric 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.
Thread | Each | ||||||
---|---|---|---|---|---|---|---|
Size | Pitch, mm | Lg., mm | Wd., mm | Specifications Met | 1-9 | 10-Up | |
18-8 Stainless Steel | |||||||
M22 | 2.5 | 66 | 32 | DIN 6334, ASME B18.2.2 | 000000000 | 000000 | 000000 |
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.
Thread | Each | |||||||
---|---|---|---|---|---|---|---|---|
Size | Pitch, mm | Lg., mm | Wd., mm | Threading | Min. Thread Lg., mm | 1-9 | 10-Up | |
18-8 Stainless Steel | ||||||||
M22 | 2.5 | 132 | 30 | Partially Threaded | 22 | 000000000 | 0000000 | 0000000 |