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About Threaded Studs and Rods
More
About Nuts, Materials, and Finishes
More
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 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.
| Lg. | Thread Pitch, mm | Tensile Strength, psi | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||
|---|---|---|---|---|---|---|---|
M2.5 | |||||||
| 12 mm | 0.45 | 70,000 | Not Rated | DIN 976 | 10 | 000000000 | 00000 |
| 16 mm | 0.45 | 70,000 | Not Rated | DIN 976 | 10 | 000000000 | 0000 |
| 20 mm | 0.45 | 70,000 | Not Rated | DIN 976 | 10 | 000000000 | 0000 |
| 25 mm | 0.45 | 70,000 | Not Rated | DIN 976 | 10 | 000000000 | 00000 |
| 300 mm | 0.45 | 70,000 | Not Rated | DIN 976 | 1 | 000000000 | 0000 |
| 500 mm | 0.45 | 70,000 | Not Rated | DIN 976 | 1 | 000000000 | 0000 |
| 1 m | 0.45 | 70,000 | Not Rated | DIN 976 | 1 | 000000000 | 0000 |
| 2 m | 0.45 | 70,000 | Not Rated | DIN 976 | 1 | 000000000 | 00000 |
Metric Super-Corrosion-Resistant
316 Stainless Steel Threaded Rods
These 316 stainless steel threaded rods are more corrosion resistant than 18-8 and 410 stainless steel threaded rods and have excellent resistance to chemicals and salt water. They may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
| Lg. | Thread Pitch, mm | Tensile Strength, psi | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
316 Stainless Steel | |||||||
|---|---|---|---|---|---|---|---|
M2.5 | |||||||
| 12 mm | 0.45 | 70,000 | Not Rated | DIN 976 | 5 | 000000000 | 00000 |
| 25 mm | 0.45 | 70,000 | Not Rated | DIN 976 | 5 | 000000000 | 0000 |
| 300 mm | 0.45 | 70,000 | Not Rated | DIN 976 | 1 | 000000000 | 0000 |
| 500 mm | 0.45 | 70,000 | Not Rated | DIN 976 | 1 | 000000000 | 0000 |
| 1 m | 0.45 | 70,000 | Not Rated | DIN 976 | 1 | 000000000 | 00000 |
Metric Brass Threaded Rods
These brass threaded rods are corrosion resistant in wet environments, electrically conductive, and nonmagnetic.
For technical drawings and 3-D models, click on a part number.
| Lg., m | Thread Pitch, mm | Tensile Strength, psi | Hardness | Specifications Met | Each | |
Brass | ||||||
|---|---|---|---|---|---|---|
M2.5 | ||||||
| 1 | 0.45 | 50,000 | Rockwell B55 | DIN 975 | 000000000 | 000000 |
Steel Press-Fit Studs
These steel studs are zinc plated to resist corrosion in wet environments. Press them into a drilled or punched hole with an arbor press or similar pressure tool. Also known as self-clinching studs, ribs under the head hold the stud firmly in place. Length listed is overall length.
For technical drawings and 3-D models, click on a part number.
| Lg., mm | Thread Pitch, mm | PEM® Part Number | Thread Lg., mm | Drill Bit Size | For Min. Material Thick., mm | For Min. Lg. Between Hole Center and Sheet Edge, mm | For Hole Dia., mm | Hole Size Tolerance, mm | Base Dia., mm | Tensile Strength | Hardness | Pkg. Qty. | Pkg. | |
Metric Zinc-Plated Steel | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
M2.5 | ||||||||||||||
| 6 | 0.45 | FH-M2.5-6 | 4 | No. 40 | 1.000 | 5.5 | 2.5 | 0.000 to 0.08 | 4.5 | Not Rated | Not Rated | 50 | 000000000 | 000000 |
| 8 | 0.45 | FH-M2.5-8 | 6 | No. 40 | 1.000 | 5.5 | 2.5 | 0.000 to 0.08 | 4.5 | Not Rated | Not Rated | 50 | 000000000 | 00000 |
| 10 | 0.45 | FH-M2.5-10 | 8 | No. 40 | 1.000 | 5.5 | 2.5 | 0.000 to 0.08 | 4.5 | Not Rated | Not Rated | 50 | 000000000 | 00000 |
| 12 | 0.45 | FH-M2.5-12 | 10 | No. 40 | 1.000 | 5.5 | 2.5 | 0.000 to 0.08 | 4.5 | Not Rated | Not Rated | 50 | 000000000 | 00000 |
| 15 | 0.45 | FH-M2.5-15 | 13 | No. 40 | 1.000 | 5.5 | 2.5 | 0.000 to 0.08 | 4.5 | Not Rated | Not Rated | 50 | 000000000 | 00000 |
| 18 | 0.45 | FH-M2.5-18 | 16 | No. 40 | 1.000 | 5.5 | 2.5 | 0.000 to 0.08 | 4.5 | Not Rated | Not Rated | 25 | 000000000 | 00000 |
Stainless Steel Press-Fit Studs
18-8 stainless steel studs have good chemical resistance and may be mildly magnetic. Press them into a drilled or punched hole with an arbor press or similar pressure tool. Also known as self-clinching studs, ribs under the head hold the stud firmly in place. Length listed is overall length.
For technical drawings and 3-D models, click on a part number.
| Lg., mm | Thread Pitch, mm | PEM® Part Number | Thread Lg., mm | Drill Bit Size, mm | For Min. Material Thick., mm | For Min. Lg. Between Hole Center and Sheet Edge, mm | For Hole Dia., mm | Hole Size Tolerance, mm | Base Dia., mm | Tensile Strength | Hardness | Pkg. Qty. | Pkg. | |
Metric 18-8 Stainless Steel | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
M2.5 | ||||||||||||||
| 6 | 0.45 | FHS-M2.5-6 | 4 | 2.5 | 1.000 | 5 | 2.5 | 0.000 to 0.08 | 2.7 | Not Rated | Not Rated | 25 | 000000000 | 000000 |
| 8 | 0.45 | FHS-M2.5-8 | 6 | 2.5 | 1.000 | 5 | 2.5 | 0.000 to 0.08 | 2.7 | Not Rated | Not Rated | 25 | 000000000 | 00000 |
| 10 | 0.45 | FHS-M2.5-10 | 8 | 2.5 | 1.000 | 5 | 2.5 | 0.000 to 0.08 | 2.7 | Not Rated | Not Rated | 25 | 000000000 | 00000 |
| 12 | 0.45 | FHS-M2.5-12 | 10 | 2.5 | 1.000 | 5 | 2.5 | 0.000 to 0.08 | 2.7 | Not Rated | Not Rated | 25 | 000000000 | 00000 |
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.
Coupling nuts with a black-oxide finish have a dark surface color.
For technical drawings and 3-D models, click on a part number.
Metric-to-Metric Female Hex Thread Adapters
Increase or decrease metric thread size from one male-threaded part to another. Commonly used to connect two differently sized threaded rods, they have a hex-shaped body, so you can tighten them with a standard wrench. You can also use these adapters to change thread pitch or convert a male-threaded connection to a female-threaded connection. Small adapters can work as threaded standoffs, positioning and separating circuit boards and other components in assemblies.
Choose black-oxide steel adapters to match the aesthetics of your system or for their mild corrosion resistance. The finish won't chip or rub off. They resist rust in indoor and dry environments, but avoid using them in corrosive environments.
Zinc-plated steel adapters are a good option in dry environments. The zinc plating prevents the steel from corroding until the plating wears away.
At about a third of the weight of steel adapters, aluminum adapters are the lightest we offer. They resist corrosion in wet environments.
18-8 stainless steel adapters resist corrosion caused by water. They're good for wet and damp environments but will corrode when exposed to salt water and other chloride solutions.
316 stainless steel adapters have the best corrosion resistance. They stand up to wet environments, just like 18-8 stainless steel adapters, but unlike 18-8 stainless steel adapters, they resist corrosion caused by salt water and harsh chemicals.
For technical drawings and 3-D models, click on a part number.
Thread Size | Thread Lg. | Thread Fit | Hex | Each | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (A) | Pitch (A), mm | (B) | Pitch (B), mm | (A), mm | (B), mm | (A) | (B) | Size, mm | Lg., mm | Specifications Met | Hardness | 1-9 | 10-Up | |
Black-Oxide Steel | ||||||||||||||
| M2.5 | 0.45 | M3 | 0.5 | 4.8 | 6.4 | Class 6H | Class 6H | 4.5 | 25 | ASTM A108 | Rockwell B85 | 000000000 | 00000 | 00000 |
| M3.5 | 0.6 | M2.5 | 0.45 | 9.5 | 4.8 | Class 6H | Class 6H | 6 | 37 | ASTM A108 | Rockwell B85 | 000000000 | 0000 | 0000 |
| M4 | 0.7 | M2.5 | 0.45 | 11.1 | 4.8 | Class 6H | Class 6H | 6 | 37 | ASTM A108 | Rockwell B85 | 000000000 | 0000 | 0000 |
Zinc-Plated Steel | ||||||||||||||
| M2.5 | 0.45 | M3 | 0.5 | 4.8 | 6.4 | Class 6H | Class 6H | 4.5 | 25 | ASTM A108, ASTM B633 | Rockwell B85 | 000000000 | 0000 | 0000 |
| M3.5 | 0.6 | M2.5 | 0.45 | 9.5 | 4.8 | Class 6H | Class 6H | 6 | 37 | ASTM A108, ASTM B633 | Rockwell B85 | 000000000 | 0000 | 0000 |
| M4 | 0.7 | M2.5 | 0.45 | 11.1 | 4.8 | Class 6H | Class 6H | 6 | 37 | ASTM A108, ASTM B633 | Rockwell B85 | 000000000 | 0000 | 0000 |
Aluminum | ||||||||||||||
| M2.5 | 0.45 | M3 | 0.5 | 4.8 | 6.4 | Class 6H | Class 6H | 4.5 | 25 | ASTM B211 | Rockwell B56 | 000000000 | 0000 | 0000 |
| M3.5 | 0.6 | M2.5 | 0.45 | 9.5 | 4.8 | Class 6H | Class 6H | 6 | 37 | ASTM B211 | Rockwell B56 | 000000000 | 0000 | 0000 |
| M4 | 0.7 | M2.5 | 0.45 | 11.1 | 4.8 | Class 6H | Class 6H | 6 | 37 | ASTM B211 | Rockwell B56 | 000000000 | 0000 | 0000 |
18-8 Stainless Steel | ||||||||||||||
| M2.5 | 0.45 | M3 | 0.5 | 4.8 | 6.4 | Class 6H | Class 6H | 4.5 | 25 | ASTM A582 | Rockwell B80 | 000000000 | 00000 | 0000 |
| M3 | 0.35 | M2.5 | 0.45 | 3 | 3 | Class 6H | Class 6H | 8 | 15 | ASTM A582 | Rockwell B80 | 000000000 | 0000 | 0000 |
| M3.5 | 0.6 | M2.5 | 0.45 | 9.5 | 4.8 | Class 6H | Class 6H | 6 | 37 | ASTM A582 | Rockwell B80 | 000000000 | 00000 | 0000 |
| M4 | 0.7 | M2.5 | 0.45 | 11.1 | 4.8 | Class 6H | Class 6H | 6 | 37 | ASTM A582 | Rockwell B80 | 000000000 | 00000 | 0000 |
316 Stainless Steel | ||||||||||||||
| M3 | 0.35 | M2.5 | 0.45 | 3 | 3 | Class 6H | Class 6H | 8 | 15 | ASTM A276 | Rockwell B83 | 000000000 | 0000 | 0000 |
| M3 | 0.5 | M2.5 | 0.45 | 3 | 3 | Class 6H | Class 6H | 8 | 15 | ASTM A276 | Rockwell B83 | 000000000 | 0000 | 0000 |
Inch-to-Metric Female Hex Thread Adapters
Adapt threaded rods from inch to metric. These adapters connect two male-threaded fasteners, so you can change the gender of a mating part or increase or decrease its thread size. The hex-shaped body fits into the head of a standard wrench. Small adapters can also be used as standoffs, positioning and separating circuit boards and other components in assemblies.
Choose black-oxide steel adapters to match the aesthetics of your system or for their mild corrosion resistance. The finish won't chip or rub off. They resist rust in indoor and dry environments, but avoid using them in corrosive environments.
Zinc-plated steel adapters are a good option in dry environments. The zinc plating prevents the steel from corroding until the plating wears away.
18-8 stainless steel adapters resist corrosion caused by water. They're good for wet and damp environments but will corrode when exposed to salt water and other chloride solutions.
At about a third of the weight of steel adapters, aluminum adapters are the lightest we offer. They resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Thread Size | Thread Lg. | Thread Fit | Hex | Each | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (A) | (B) | Pitch (B), mm | (A) | (B), mm | (A) | (B) | Size | Lg. | Specifications Met | Tensile Strength, psi | Hardness | 1-9 | 10-Up | |
Black-Oxide Steel | ||||||||||||||
| 2-56 | M2.5 | 0.45 | 0.187" | 4.8 | Class 2B | Class 6H | 3/16" | 1" | ASTM A108 | 78,000 | Rockwell B85 | 000000000 | 00000 | 00000 |
| 4-40 | M2.5 | 0.45 | 1/4" | 4.8 | Class 2B | Class 6H | 3/16" | 1" | ASTM A108 | 78,000 | Rockwell B85 | 000000000 | 0000 | 0000 |
| 6-32 | M2.5 | 0.45 | 3/8" | 4.8 | Class 2B | Class 6H | 3/16" | 1" | ASTM A108 | 78,000 | Rockwell B85 | 000000000 | 0000 | 0000 |
| 8-32 | M2.5 | 0.45 | 0.437" | 4.8 | Class 2B | Class 6H | 1/4" | 1 1/2" | ASTM A108 | 78,000 | Rockwell B85 | 000000000 | 0000 | 0000 |
Zinc-Plated Steel | ||||||||||||||
| 2-56 | M2.5 | 0.45 | 0.187" | 4.8 | Class 2B | Class 6H | 3/16" | 1" | ASTM A108, ASTM B633 | 78,000 | Rockwell B85 | 000000000 | 0000 | 0000 |
| 4-40 | M2.5 | 0.45 | 1/4" | 4.8 | Class 2B | Class 6H | 3/16" | 1" | ASTM A108, ASTM B633 | 78,000 | Rockwell B85 | 000000000 | 0000 | 0000 |
| 6-32 | M2.5 | 0.45 | 3/8" | 4.8 | Class 2B | Class 6H | 3/16" | 1" | ASTM A108, ASTM B633 | 78,000 | Rockwell B85 | 000000000 | 0000 | 0000 |
| 8-32 | M2.5 | 0.45 | 0.437" | 4.8 | Class 2B | Class 6H | 1/4" | 1 1/2" | ASTM A108, ASTM B633 | 78,000 | Rockwell B85 | 000000000 | 0000 | 0000 |
18-8 Stainless Steel | ||||||||||||||
| 2-56 | M2.5 | 0.45 | 0.187" | 4.8 | Class 2B | Class 6H | 3/16" | 1" | ASTM A582 | 85,000 | Rockwell B80 | 000000000 | 00000 | 0000 |
| 4-40 | M2.5 | 0.45 | 1/4" | 4.8 | Class 2B | Class 6H | 3/16" | 1" | ASTM A582 | 85,000 | Rockwell B80 | 000000000 | 00000 | 0000 |
| 6-32 | M2.5 | 0.45 | 3/8" | 4.8 | Class 2B | Class 6H | 3/16" | 1" | ASTM A582 | 85,000 | Rockwell B80 | 000000000 | 00000 | 0000 |
| 8-32 | M2.5 | 0.45 | 0.437" | 4.8 | Class 2B | Class 6H | 1/4" | 1 1/2" | ASTM A582 | 85,000 | Rockwell B80 | 000000000 | 00000 | 0000 |
Aluminum | ||||||||||||||
| 2-56 | M2.5 | 0.45 | 0.187" | 4.8 | Class 2B | Class 6H | 3/16" | 1" | ASTM B211 | 45,000 | Rockwell B56 | 000000000 | 0000 | 0000 |
| 4-40 | M2.5 | 0.45 | 1/4" | 4.8 | Class 2B | Class 6H | 3/16" | 1" | ASTM B211 | 45,000 | Rockwell B56 | 000000000 | 0000 | 0000 |
| 6-32 | M2.5 | 0.45 | 3/8" | 4.8 | Class 2B | Class 6H | 3/16" | 1" | ASTM B211 | 45,000 | Rockwell B56 | 000000000 | 0000 | 0000 |
| 8-32 | M2.5 | 0.45 | 0.437" | 4.8 | Class 2B | Class 6H | 1/4" | 1 1/2" | ASTM B211 | 45,000 | Rockwell B56 | 000000000 | 0000 | 0000 |