Material Material |
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PEM® Part Number PEM® Part Number |
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Threading Threading |
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 | Partially Threaded |
 | Fully Threaded |
Minimum Thread Length Minimum Thread Length |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Hardness Hardness |
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Tensile Strength Tensile Strength |
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Finish Finish |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Press-Fit Threaded Standoffs with Open End
A recess under the hex clinches a panel for a strong hold that won't push, pull, or twist out. When mounted with a lever press, the hex sits flush with the surface and the open end creates a through hole. These are also known as captive standoffs.
18-8 stainless steel standoffs have good corrosion resistance and are nonmagnetic.
Zinc-plated steel standoffs have some corrosion resistance.
For technical drawings and 3-D models, click on a part number.
18-8 Stainless Steel—Inch
Fully Threaded
Partially Threaded
| Lg. | For Hole Dia. | For Min. Panel Thick. | Thread Size | Threading | Thread Lg. | Min. Thread Lg. | PEM® Part Number | Specifications Met | Pkg. Qty. | Pkg. | |
0.165" OD | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/8" | 0.166" | 0.04" | 4-40 | Fully Threaded | 1/8" | __ | SOS-440-4 | ASTM A380 | 10 | 000000000 | 00000 |
| 3/16" | 0.166" | 0.04" | 4-40 | Fully Threaded | 3/16" | __ | SOS-440-6 | ASTM A380 | 10 | 000000000 | 0000 |
| 1/4" | 0.166" | 0.04" | 4-40 | Fully Threaded | 1/4" | __ | SOS-440-8 | ASTM A380 | 25 | 000000000 | 00000 |
| 5/16" | 0.166" | 0.04" | 4-40 | Fully Threaded | 5/16" | __ | SOS-440-10 | ASTM A380 | 10 | 000000000 | 0000 |
| 3/8" | 0.166" | 0.04" | 4-40 | Partially Threaded | __ | 3/16" | SOS-440-12 | ASTM A380 | 25 | 000000000 | 00000 |
| 7/16" | 0.166" | 0.04" | 4-40 | Partially Threaded | __ | 1/4" | SOS-440-14 | ASTM A380 | 10 | 000000000 | 0000 |
| 1/2" | 0.166" | 0.04" | 4-40 | Partially Threaded | __ | 5/16" | SOS-440-16 | ASTM A380 | 10 | 000000000 | 0000 |
| 5/8" | 0.166" | 0.04" | 4-40 | Partially Threaded | __ | 5/16" | SOS-440-20 | ASTM A380 | 10 | 000000000 | 00000 |
| 3/4" | 0.166" | 0.04" | 4-40 | Partially Threaded | __ | 7/16" | SOS-440-24 | ASTM A380 | 10 | 000000000 | 00000 |
0.212" OD | |||||||||||
| 1/8" | 0.213" | 0.04" | 6-32 | Fully Threaded | 1/8" | __ | SOS-632-4 | ASTM A380 | 10 | 000000000 | 0000 |
| 3/16" | 0.213" | 0.04" | 6-32 | Fully Threaded | 3/16" | __ | SOS-632-6 | ASTM A380 | 10 | 000000000 | 0000 |
| 1/4" | 0.213" | 0.04" | 6-32 | Fully Threaded | 1/4" | __ | SOS-632-8 | ASTM A380 | 25 | 000000000 | 00000 |
| 5/16" | 0.213" | 0.04" | 6-32 | Fully Threaded | 5/16" | __ | SOS-632-10 | ASTM A380 | 10 | 000000000 | 0000 |
| 3/8" | 0.213" | 0.04" | 6-32 | Partially Threaded | __ | 3/16" | SOS-632-12 | ASTM A380 | 25 | 000000000 | 00000 |
| 1/2" | 0.213" | 0.04" | 6-32 | Partially Threaded | __ | 5/16" | SOS-632-16 | ASTM A380 | 25 | 000000000 | 00000 |
| 5/8" | 0.213" | 0.04" | 6-32 | Partially Threaded | __ | 5/16" | SOS-632-20 | ASTM A380 | 10 | 000000000 | 00000 |
| 3/4" | 0.213" | 0.04" | 6-32 | Partially Threaded | __ | 7/16" | SOS-632-24 | ASTM A380 | 10 | 000000000 | 00000 |
0.28" OD | |||||||||||
| 3/16" | 0.281" | 0.05" | 8-32 | Fully Threaded | 3/16" | __ | SOS-832-6 | ASTM A380 | 5 | 000000000 | 0000 |
| 1/4" | 0.281" | 0.05" | 8-32 | Fully Threaded | 1/4" | __ | SOS-832-8 | ASTM A380 | 10 | 000000000 | 0000 |
| 5/16" | 0.281" | 0.05" | 8-32 | Fully Threaded | 5/16" | __ | SOS-832-10 | ASTM A380 | 5 | 000000000 | 0000 |
| 3/8" | 0.281" | 0.05" | 8-32 | Partially Threaded | __ | 3/16" | SOS-832-12 | ASTM A380 | 10 | 000000000 | 0000 |
| 7/16" | 0.281" | 0.05" | 8-32 | Partially Threaded | __ | 1/4" | SOS-832-14 | ASTM A380 | 5 | 000000000 | 0000 |
| 1/2" | 0.281" | 0.05" | 8-32 | Partially Threaded | __ | 5/16" | SOS-832-16 | ASTM A380 | 10 | 000000000 | 0000 |
| 5/8" | 0.281" | 0.05" | 8-32 | Partially Threaded | __ | 5/16" | SOS-832-20 | ASTM A380 | 10 | 000000000 | 00000 |
| 3/4" | 0.281" | 0.05" | 8-32 | Partially Threaded | __ | 7/16" | SOS-832-24 | ASTM A380 | 10 | 000000000 | 00000 |
0.281" OD | |||||||||||
| 5/16" | 0.281" | 0.05" | 10-32 | Fully Threaded | 5/16" | __ | SOS-032-10 | ASTM A380 | 5 | 000000000 | 0000 |
| 1/2" | 0.281" | 0.05" | 10-32 | Partially Threaded | __ | 0.313" | SOS-032-16 | ASTM A380 | 5 | 000000000 | 0000 |
| 3/4" | 0.281" | 0.05" | 10-32 | Partially Threaded | __ | 0.438" | SOS-032-24 | ASTM A380 | 5 | 000000000 | 0000 |
18-8 Stainless Steel—Metric
Fully Threaded
Partially Threaded
| Lg., mm | For Hole Dia., mm | For Min. Panel Thick., mm | Thread Size | Thread Pitch, mm | Threading | Thread Lg., mm | Min. Thread Lg., mm | PEM® Part Number | Specifications Met | Pkg. Qty. | Pkg. | |
4.2 mm OD | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 4.2 | 1 | M3 | 0.5 | Fully Threaded | 6 | __ | SOS-M3-6 | ASTM A380 | 10 | 000000000 | 00000 |
| 8 | 4.2 | 1 | M3 | 0.5 | Fully Threaded | 8 | __ | SOS-M3-8 | ASTM A380 | 10 | 000000000 | 0000 |
| 10 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | __ | 6 | SOS-M3-10 | ASTM A380 | 10 | 000000000 | 0000 |
| 12 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | __ | 8 | SOS-M3-12 | ASTM A380 | 10 | 000000000 | 0000 |
| 14 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | __ | 10 | SOS-M3-14 | ASTM A380 | 10 | 000000000 | 0000 |
5.4 mm OD | ||||||||||||
| 6 | 5.4 | 1 | M3 | 0.5 | Fully Threaded | 6 | __ | SOS-3.5M3-6 | ASTM A380 | 10 | 000000000 | 0000 |
| 8 | 5.4 | 1 | M3 | 0.5 | Fully Threaded | 8 | __ | SOS-3.5M3-8 | ASTM A380 | 10 | 000000000 | 0000 |
| 10 | 5.4 | 1 | M3 | 0.5 | Partially Threaded | __ | 6 | SOS-3.5M3-10 | ASTM A380 | 10 | 000000000 | 0000 |
| 12 | 5.4 | 1 | M3 | 0.5 | Partially Threaded | __ | 8 | SOS-3.5M3-12 | ASTM A380 | 10 | 000000000 | 0000 |
| 14 | 5.4 | 1 | M3 | 0.5 | Partially Threaded | __ | 10 | SOS-3.5M3-14 | ASTM A380 | 10 | 000000000 | 00000 |
7.1 mm OD | ||||||||||||
| 6 | 7.1 | 1.3 | M4 | 0.7 | Fully Threaded | 6 | __ | SOS-M4-6 | ASTM A380 | 10 | 000000000 | 0000 |
| 8 | 7.1 | 1.3 | M4 | 0.7 | Fully Threaded | 8 | __ | SOS-M4-8 | ASTM A380 | 10 | 000000000 | 0000 |
| 8 | 7.1 | 1.3 | M5 | 0.8 | Fully Threaded | 8 | __ | SOS-M5-8 | ASTM A380 | 5 | 000000000 | 0000 |
| 10 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | __ | 6 | SOS-M4-10 | ASTM A380 | 10 | 000000000 | 0000 |
| 12 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | __ | 8 | SOS-M4-12 | ASTM A380 | 10 | 000000000 | 00000 |
| 14 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | __ | 10 | SOS-M4-14 | ASTM A380 | 10 | 000000000 | 00000 |
Zinc-Plated Steel—Inch
Fully Threaded
Partially Threaded
| Lg. | For Hole Dia. | For Min. Panel Thick. | Thread Size | Threading | Thread Lg. | Min. Thread Lg. | PEM® Part Number | Pkg. Qty. | Pkg. | |
0.165" OD | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1/4" | 0.166" | 0.04" | 4-40 | Fully Threaded | 1/4" | __ | SO-440-8ZI | 10 | 000000000 | 00000 |
| 5/16" | 0.166" | 0.04" | 4-40 | Fully Threaded | 5/16" | __ | SO-440-10ZI | 25 | 000000000 | 0000 |
| 3/8" | 0.166" | 0.04" | 4-40 | Partially Threaded | __ | 3/16" | SO-440-12ZI | 10 | 000000000 | 0000 |
| 1/2" | 0.166" | 0.04" | 4-40 | Partially Threaded | __ | 5/16" | SO-440-16ZI | 10 | 000000000 | 0000 |
| 5/8" | 0.166" | 0.04" | 4-40 | Partially Threaded | __ | 5/16" | SO-440-20ZI | 10 | 000000000 | 0000 |
| 3/4" | 0.166" | 0.04" | 4-40 | Partially Threaded | __ | 7/16" | SO-440-24ZI | 10 | 000000000 | 0000 |
0.212" OD | ||||||||||
| 1/4" | 0.213" | 0.04" | 6-32 | Fully Threaded | 1/4" | __ | SO-632-8ZI | 10 | 000000000 | 0000 |
| 5/16" | 0.213" | 0.04" | 6-32 | Fully Threaded | 5/16" | __ | SO-632-10ZI | 25 | 000000000 | 0000 |
| 3/8" | 0.213" | 0.04" | 6-32 | Partially Threaded | __ | 3/16" | SO-632-12ZI | 10 | 000000000 | 0000 |
| 1/2" | 0.213" | 0.04" | 6-32 | Partially Threaded | __ | 5/16" | SO-632-16ZI | 10 | 000000000 | 0000 |
| 5/8" | 0.213" | 0.04" | 6-32 | Partially Threaded | __ | 5/16" | SO-632-20ZI | 10 | 000000000 | 0000 |
| 3/4" | 0.213" | 0.04" | 6-32 | Partially Threaded | __ | 7/16" | SO-632-24ZI | 10 | 000000000 | 0000 |
0.28" OD | ||||||||||
| 1/4" | 0.281" | 0.05" | 8-32 | Fully Threaded | 1/4" | __ | SO-832-8ZI | 10 | 000000000 | 0000 |
| 5/16" | 0.281" | 0.05" | 8-32 | Fully Threaded | 5/16" | __ | SO-832-10ZI | 10 | 000000000 | 0000 |
| 3/8" | 0.281" | 0.05" | 8-32 | Partially Threaded | __ | 3/16" | SO-832-12ZI | 10 | 000000000 | 0000 |
| 1/2" | 0.281" | 0.05" | 8-32 | Partially Threaded | __ | 5/16" | SO-832-16ZI | 10 | 000000000 | 0000 |
| 5/8" | 0.281" | 0.05" | 8-32 | Partially Threaded | __ | 5/16" | SO-832-20ZI | 10 | 000000000 | 0000 |
| 3/4" | 0.281" | 0.05" | 8-32 | Partially Threaded | __ | 7/16" | SO-832-24ZI | 10 | 000000000 | 0000 |
0.281" OD | ||||||||||
| 5/16" | 0.281" | 0.05" | 10-32 | Fully Threaded | 5/16" | __ | SO-032-10ZI | 10 | 000000000 | 0000 |
| 3/8" | 0.281" | 0.05" | 10-32 | Partially Threaded | __ | 0.188" | SO-032-12ZI | 10 | 000000000 | 0000 |
| 1/2" | 0.281" | 0.05" | 10-32 | Partially Threaded | __ | 0.313" | SO-032-16ZI | 10 | 000000000 | 0000 |
Zinc-Plated Steel—Metric
Fully Threaded
Partially Threaded
| Lg., mm | For Hole Dia., mm | For Min. Panel Thick., mm | Thread Size | Thread Pitch, mm | Threading | Thread Lg., mm | Min. Thread Lg., mm | PEM® Part Number | Pkg. Qty. | Pkg. | |
4.2 mm OD | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 4.2 | 1 | M3 | 0.5 | Fully Threaded | 6 | __ | SO-M3-6ZI | 10 | 000000000 | 00000 |
| 8 | 4.2 | 1 | M3 | 0.5 | Fully Threaded | 8 | __ | SO-M3-8ZI | 10 | 000000000 | 0000 |
| 10 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | __ | 6 | SO-M3-10ZI | 10 | 000000000 | 0000 |
| 12 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | __ | 8 | SO-M3-12ZI | 10 | 000000000 | 0000 |
| 14 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | __ | 10 | SO-M3-14ZI | 10 | 000000000 | 0000 |
5.4 mm OD | |||||||||||
| 6 | 5.4 | 1 | M3 | 0.5 | Fully Threaded | 6 | __ | SO-3.5M3-6ZI | 10 | 000000000 | 0000 |
| 8 | 5.4 | 1 | M3 | 0.5 | Fully Threaded | 8 | __ | SO-3.5M3-8ZI | 10 | 000000000 | 0000 |
| 10 | 5.4 | 1 | M3 | 0.5 | Partially Threaded | __ | 6 | SO-3.5M3-10ZI | 10 | 000000000 | 0000 |
| 12 | 5.4 | 1 | M3 | 0.5 | Partially Threaded | __ | 8 | SO-3.5M3-12ZI | 10 | 000000000 | 0000 |
| 14 | 5.4 | 1 | M3 | 0.5 | Partially Threaded | __ | 10 | SO-3.5M3-14ZI | 10 | 000000000 | 0000 |
7.1 mm OD | |||||||||||
| 6 | 7.1 | 1.3 | M4 | 0.7 | Fully Threaded | 6 | __ | SO-M4-6ZI | 10 | 000000000 | 0000 |
| 6 | 7.1 | 1.3 | M5 | 0.8 | Fully Threaded | 6 | __ | SO-M5-6ZI | 10 | 000000000 | 0000 |
| 8 | 7.1 | 1.3 | M4 | 0.7 | Fully Threaded | 8 | __ | SO-M4-8ZI | 10 | 000000000 | 0000 |
| 8 | 7.1 | 1.3 | M5 | 0.8 | Fully Threaded | 8 | __ | SO-M5-8ZI | 10 | 000000000 | 0000 |
| 10 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | __ | 6 | SO-M4-10ZI | 10 | 000000000 | 0000 |
| 10 | 7.1 | 1.3 | M5 | 0.8 | Partially Threaded | __ | 6 | SO-M5-10ZI | 10 | 000000000 | 0000 |
| 12 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | __ | 8 | SO-M4-12ZI | 10 | 000000000 | 0000 |
| 14 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | __ | 10 | SO-M4-14ZI | 10 | 000000000 | 0000 |
| 14 | 7.1 | 1.3 | M5 | 0.8 | Partially Threaded | __ | 10 | SO-M5-14ZI | 5 | 000000000 | 0000 |
| 20 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | __ | 12 | SO-M4-20ZI | 5 | 000000000 | 0000 |
Press-Fit Threaded Standoffs with Closed End
Also known as captive standoffs, a recess under the hex clinches the panel for a strong hold that won't push, pull, or twist out. When mounted, the hex sits flush with the surface and the closed end creates a neat, finished appearance. Use a lever press to install.
18-8 stainless steel standoffs have good corrosion resistance and may be mildly magnetic.
Zinc-plated steel standoffs have some corrosion resistance.
For technical drawings and 3-D models, click on a part number.
18-8 Stainless Steel—Inch
Partially Threaded
| Lg. | For Hole Dia. | For Min. Panel Thick. | Thread Size | Threading | Min. Thread Lg. | PEM® Part Number | Specifications Met | Pkg. Qty. | Pkg. | |
0.165" OD | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 5/16" | 0.166" | 0.04" | 4-40 | Partially Threaded | 5/32" | BSOS-440-10 | ASTM A380 | 25 | 000000000 | 000000 |
| 3/8" | 0.166" | 0.04" | 4-40 | Partially Threaded | 5/32" | BSOS-440-12 | ASTM A380 | 25 | 000000000 | 00000 |
| 7/16" | 0.166" | 0.04" | 4-40 | Partially Threaded | 3/16" | BSOS-440-14 | ASTM A380 | 10 | 000000000 | 0000 |
| 1/2" | 0.166" | 0.04" | 4-40 | Partially Threaded | 1/4" | BSOS-440-16 | ASTM A380 | 10 | 000000000 | 0000 |
| 5/8" | 0.166" | 0.04" | 4-40 | Partially Threaded | 1/4" | BSOS-440-20 | ASTM A380 | 10 | 000000000 | 0000 |
| 3/4" | 0.166" | 0.04" | 4-40 | Partially Threaded | 3/8" | BSOS-440-24 | ASTM A380 | 10 | 000000000 | 00000 |
| 7/8" | 0.166" | 0.04" | 4-40 | Partially Threaded | 3/8" | BSOS-440-28 | ASTM A380 | 10 | 000000000 | 00000 |
| 1" | 0.166" | 0.04" | 4-40 | Partially Threaded | 3/8" | BSOS-440-32 | ASTM A380 | 10 | 000000000 | 00000 |
0.212" OD | ||||||||||
| 5/16" | 0.213" | 0.04" | 6-32 | Partially Threaded | 5/32" | BSOS-632-10 | ASTM A380 | 25 | 000000000 | 00000 |
| 3/8" | 0.213" | 0.04" | 6-32 | Partially Threaded | 5/32" | BSOS-632-12 | ASTM A380 | 25 | 000000000 | 00000 |
| 7/16" | 0.213" | 0.04" | 6-32 | Partially Threaded | 3/16" | BSOS-632-14 | ASTM A380 | 10 | 000000000 | 0000 |
| 1/2" | 0.213" | 0.04" | 6-32 | Partially Threaded | 1/4" | BSOS-632-16 | ASTM A380 | 25 | 000000000 | 00000 |
| 5/8" | 0.213" | 0.04" | 6-32 | Partially Threaded | 1/4" | BSOS-632-20 | ASTM A380 | 10 | 000000000 | 00000 |
| 3/4" | 0.213" | 0.04" | 6-32 | Partially Threaded | 3/8" | BSOS-632-24 | ASTM A380 | 10 | 000000000 | 00000 |
| 7/8" | 0.213" | 0.04" | 6-32 | Partially Threaded | 3/8" | BSOS-632-28 | ASTM A380 | 10 | 000000000 | 00000 |
| 1" | 0.213" | 0.04" | 6-32 | Partially Threaded | 3/8" | BSOS-632-32 | ASTM A380 | 10 | 000000000 | 00000 |
0.28" OD | ||||||||||
| 5/16" | 0.281" | 0.05" | 8-32 | Partially Threaded | 5/32" | BSOS-832-10 | ASTM A380 | 10 | 000000000 | 0000 |
| 5/16" | 0.281" | 0.05" | 10-32 | Partially Threaded | 5/32" | BSOS-032-10 | ASTM A380 | 5 | 000000000 | 0000 |
| 3/8" | 0.281" | 0.05" | 8-32 | Partially Threaded | 5/32" | BSOS-832-12 | ASTM A380 | 10 | 000000000 | 0000 |
| 7/16" | 0.281" | 0.05" | 8-32 | Partially Threaded | 3/16" | BSOS-832-14 | ASTM A380 | 10 | 000000000 | 00000 |
| 7/16" | 0.281" | 0.05" | 10-32 | Partially Threaded | 3/16" | BSOS-032-14 | ASTM A380 | 5 | 000000000 | 0000 |
| 1/2" | 0.281" | 0.05" | 8-32 | Partially Threaded | 1/4" | BSOS-832-16 | ASTM A380 | 10 | 000000000 | 00000 |
| 1/2" | 0.281" | 0.05" | 10-32 | Partially Threaded | 1/4" | BSOS-032-16 | ASTM A380 | 5 | 000000000 | 0000 |
| 5/8" | 0.281" | 0.05" | 8-32 | Partially Threaded | 1/4" | BSOS-832-20 | ASTM A380 | 10 | 000000000 | 00000 |
| 5/8" | 0.281" | 0.05" | 10-32 | Partially Threaded | 1/4" | BSOS-032-20 | ASTM A380 | 5 | 000000000 | 0000 |
| 3/4" | 0.281" | 0.05" | 8-32 | Partially Threaded | 3/8" | BSOS-832-24 | ASTM A380 | 10 | 000000000 | 00000 |
| 3/4" | 0.281" | 0.05" | 10-32 | Partially Threaded | 3/8" | BSOS-032-24 | ASTM A380 | 1 | 000000000 | 0000 |
| 7/8" | 0.281" | 0.05" | 8-32 | Partially Threaded | 3/8" | BSOS-832-28 | ASTM A380 | 10 | 000000000 | 00000 |
| 1" | 0.281" | 0.05" | 8-32 | Partially Threaded | 3/8" | BSOS-832-32 | ASTM A380 | 10 | 000000000 | 00000 |
| 1" | 0.281" | 0.05" | 10-32 | Partially Threaded | 3/8" | BSOS-032-32 | ASTM A380 | 1 | 000000000 | 0000 |
18-8 Stainless Steel—Metric
Partially Threaded
| Lg., mm | For Hole Dia., mm | For Min. Panel Thick., mm | Thread Size | Thread Pitch, mm | Threading | Min. Thread Lg., mm | PEM® Part Number | Specifications Met | Pkg. Qty. | Pkg. | |
4.2 mm OD | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | 3 | BSOS-M3-6 | ASTM A380 | 10 | 000000000 | 00000 |
| 8 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | 4 | BSOS-M3-8 | ASTM A380 | 10 | 000000000 | 0000 |
| 10 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | 4 | BSOS-M3-10 | ASTM A380 | 10 | 000000000 | 0000 |
| 12 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | 5 | BSOS-M3-12 | ASTM A380 | 10 | 000000000 | 0000 |
| 14 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | 7 | BSOS-M3-14 | ASTM A380 | 10 | 000000000 | 0000 |
| 16 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | 6 | BSOS-M3-16 | ASTM A380 | 5 | 000000000 | 0000 |
| 20 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | 9 | BSOS-M3-20 | ASTM A380 | 5 | 000000000 | 0000 |
| 25 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | 9 | BSOS-M3-25 | ASTM A380 | 5 | 000000000 | 0000 |
5.4 mm OD | |||||||||||
| 6 | 5.4 | 1 | M3 | 0.5 | Partially Threaded | 3 | BSOS-3.5M3-6 | ASTM A380 | 10 | 000000000 | 0000 |
| 8 | 5.4 | 1 | M3 | 0.5 | Partially Threaded | 4 | BSOS-3.5M3-8 | ASTM A380 | 10 | 000000000 | 0000 |
| 10 | 5.4 | 1 | M3 | 0.5 | Partially Threaded | 4 | BSOS-3.5M3-10 | ASTM A380 | 10 | 000000000 | 0000 |
| 12 | 5.4 | 1 | M3 | 0.5 | Partially Threaded | 5 | BSOS-3.5M3-12 | ASTM A380 | 10 | 000000000 | 0000 |
| 14 | 5.4 | 1 | M3 | 0.5 | Partially Threaded | 7 | BSOS-3.5M3-14 | ASTM A380 | 10 | 000000000 | 0000 |
7.1 mm OD | |||||||||||
| 6 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | 3 | BSOS-M4-6 | ASTM A380 | 10 | 000000000 | 0000 |
| 8 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | 4 | BSOS-M4-8 | ASTM A380 | 10 | 000000000 | 0000 |
| 10 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | 4 | BSOS-M4-10 | ASTM A380 | 10 | 000000000 | 0000 |
| 12 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | 5 | BSOS-M4-12 | ASTM A380 | 10 | 000000000 | 0000 |
| 14 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | 7 | BSOS-M4-14 | ASTM A380 | 10 | 000000000 | 00000 |
| 16 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | 6 | BSOS-M4-16 | ASTM A380 | 5 | 000000000 | 0000 |
Zinc-Plated Steel—Inch
Partially Threaded
| Lg. | For Hole Dia. | For Min. Panel Thick. | Thread Size | Threading | Min. Thread Lg. | PEM® Part Number | Pkg. Qty. | Pkg. | |
0.165" OD | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 5/16" | 0.166" | 0.04" | 4-40 | Partially Threaded | 5/32" | BSO-440-10ZI | 10 | 000000000 | 00000 |
| 3/8" | 0.166" | 0.04" | 4-40 | Partially Threaded | 5/32" | BSO-440-12ZI | 10 | 000000000 | 0000 |
| 7/16" | 0.166" | 0.04" | 4-40 | Partially Threaded | 3/16" | BSO-440-14ZI | 10 | 000000000 | 0000 |
| 1/2" | 0.166" | 0.04" | 4-40 | Partially Threaded | 1/4" | BSO-440-16ZI | 10 | 000000000 | 0000 |
| 5/8" | 0.166" | 0.04" | 4-40 | Partially Threaded | 1/4" | BSO-440-20ZI | 10 | 000000000 | 0000 |
| 3/4" | 0.166" | 0.04" | 4-40 | Partially Threaded | 3/8" | BSO-440-24ZI | 10 | 000000000 | 00000 |
| 7/8" | 0.166" | 0.04" | 4-40 | Partially Threaded | 3/8" | BSO-440-28ZI | 5 | 000000000 | 0000 |
| 1" | 0.166" | 0.04" | 4-40 | Partially Threaded | 3/8" | BSO-440-32ZI | 10 | 000000000 | 00000 |
0.212" OD | |||||||||
| 5/16" | 0.213" | 0.04" | 6-32 | Partially Threaded | 5/32" | BSO-632-10ZI | 10 | 000000000 | 0000 |
| 3/8" | 0.213" | 0.04" | 6-32 | Partially Threaded | 5/32" | BSO-632-12ZI | 10 | 000000000 | 0000 |
| 7/16" | 0.213" | 0.04" | 6-32 | Partially Threaded | 3/16" | BSO-632-14ZI | 10 | 000000000 | 0000 |
| 1/2" | 0.213" | 0.04" | 6-32 | Partially Threaded | 1/4" | BSO-632-16ZI | 10 | 000000000 | 0000 |
| 5/8" | 0.213" | 0.04" | 6-32 | Partially Threaded | 1/4" | BSO-632-20ZI | 10 | 000000000 | 0000 |
| 3/4" | 0.213" | 0.04" | 6-32 | Partially Threaded | 3/8" | BSO-632-24ZI | 10 | 000000000 | 0000 |
| 7/8" | 0.213" | 0.04" | 6-32 | Partially Threaded | 3/8" | BSO-632-28ZI | 5 | 000000000 | 0000 |
| 1" | 0.213" | 0.04" | 6-32 | Partially Threaded | 3/8" | BSO-632-32ZI | 10 | 000000000 | 0000 |
0.28" OD | |||||||||
| 5/16" | 0.281" | 0.05" | 8-32 | Partially Threaded | 5/32" | BSO-832-10ZI | 10 | 000000000 | 0000 |
| 5/16" | 0.281" | 0.05" | 10-32 | Partially Threaded | 5/32" | BSO-032-10ZI | 5 | 000000000 | 0000 |
| 3/8" | 0.281" | 0.05" | 8-32 | Partially Threaded | 5/32" | BSO-832-12ZI | 10 | 000000000 | 0000 |
| 3/8" | 0.281" | 0.05" | 10-32 | Partially Threaded | 5/32" | BSO-032-12ZI | 5 | 000000000 | 0000 |
| 7/16" | 0.281" | 0.05" | 8-32 | Partially Threaded | 0.187" | BSO-832-14ZI | 10 | 000000000 | 0000 |
| 7/16" | 0.281" | 0.05" | 10-32 | Partially Threaded | 3/16" | BSO-032-14ZI | 5 | 000000000 | 0000 |
| 1/2" | 0.281" | 0.05" | 8-32 | Partially Threaded | 1/4" | BSO-832-16ZI | 10 | 000000000 | 0000 |
| 1/2" | 0.281" | 0.05" | 10-32 | Partially Threaded | 1/4" | BSO-032-16ZI | 5 | 000000000 | 0000 |
| 5/8" | 0.281" | 0.05" | 8-32 | Partially Threaded | 1/4" | BSO-832-20ZI | 10 | 000000000 | 0000 |
| 5/8" | 0.281" | 0.05" | 10-32 | Partially Threaded | 1/4" | BSO-032-20ZI | 5 | 000000000 | 0000 |
| 3/4" | 0.281" | 0.05" | 8-32 | Partially Threaded | 3/8" | BSO-832-24ZI | 10 | 000000000 | 0000 |
| 3/4" | 0.281" | 0.05" | 10-32 | Partially Threaded | 3/8" | BSO-032-24ZI | 5 | 000000000 | 0000 |
| 7/8" | 0.281" | 0.05" | 8-32 | Partially Threaded | 3/8" | BSO-832-28ZI | 5 | 000000000 | 0000 |
| 7/8" | 0.281" | 0.05" | 10-32 | Partially Threaded | 3/8" | BSO-032-28ZI | 5 | 000000000 | 0000 |
| 1" | 0.281" | 0.05" | 8-32 | Partially Threaded | 3/8" | BSO-832-32ZI | 10 | 000000000 | 00000 |
| 1" | 0.281" | 0.05" | 10-32 | Partially Threaded | 3/8" | BSO-032-32ZI | 5 | 000000000 | 0000 |
Zinc-Plated Steel—Metric
Partially Threaded
| Lg., mm | For Hole Dia., mm | For Min. Panel Thick., mm | Thread Size | Thread Pitch, mm | Threading | Min. Thread Lg., mm | PEM® Part Number | Pkg. Qty. | Pkg. | |
4.2 mm OD | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | 3 | BSO-M3-6ZI | 10 | 000000000 | 00000 |
| 8 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | 4 | BSO-M3-8ZI | 10 | 000000000 | 0000 |
| 10 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | 4 | BSO-M3-10ZI | 10 | 000000000 | 0000 |
| 12 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | 5 | BSO-M3-12ZI | 10 | 000000000 | 0000 |
| 14 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | 7 | BSO-M3-14ZI | 10 | 000000000 | 0000 |
| 16 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | 6 | BSO-M3-16ZI | 5 | 000000000 | 0000 |
| 25 | 4.2 | 1 | M3 | 0.5 | Partially Threaded | 9 | BSO-M3-25ZI | 5 | 000000000 | 0000 |
5.4 mm OD | ||||||||||
| 6 | 5.4 | 1 | M3 | 0.5 | Partially Threaded | 3 | BSO-3.5M3-6ZI | 10 | 000000000 | 0000 |
| 8 | 5.4 | 1 | M3 | 0.5 | Partially Threaded | 4 | BSO-3.5M3-8ZI | 10 | 000000000 | 0000 |
| 10 | 5.4 | 1 | M3 | 0.5 | Partially Threaded | 4 | BSO-3.5M3-10ZI | 10 | 000000000 | 0000 |
| 12 | 5.4 | 1 | M3 | 0.5 | Partially Threaded | 5 | BSO-3.5M3-12ZI | 10 | 000000000 | 0000 |
| 14 | 5.4 | 1 | M3 | 0.5 | Partially Threaded | 7 | BSO-3.5M3-14ZI | 10 | 000000000 | 0000 |
7.1 mm OD | ||||||||||
| 6 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | 3 | BSO-M4-6ZI | 10 | 000000000 | 0000 |
| 8 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | 4 | BSO-M4-8ZI | 10 | 000000000 | 0000 |
| 10 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | 4 | BSO-M4-10ZI | 10 | 000000000 | 0000 |
| 10 | 7.1 | 1.3 | M5 | 0.8 | Partially Threaded | 4 | BSO-M5-10ZI | 5 | 000000000 | 0000 |
| 12 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | 5 | BSO-M4-12ZI | 10 | 000000000 | 0000 |
| 12 | 7.1 | 1.3 | M5 | 0.8 | Partially Threaded | 5 | BSO-M5-12ZI | 5 | 000000000 | 0000 |
| 14 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | 7 | BSO-M4-14ZI | 10 | 000000000 | 0000 |
| 14 | 7.1 | 1.3 | M5 | 0.8 | Partially Threaded | 6 | BSO-M5-14ZI | 5 | 000000000 | 0000 |
| 16 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | 6 | BSO-M4-16ZI | 5 | 000000000 | 0000 |
| 16 | 7.1 | 1.3 | M5 | 0.8 | Partially Threaded | 6 | BSO-M5-16ZI | 5 | 000000000 | 0000 |
| 20 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | 9 | BSO-M4-20ZI | 5 | 000000000 | 0000 |
| 20 | 7.1 | 1.3 | M5 | 0.8 | Partially Threaded | 9 | BSO-M5-20ZI | 5 | 000000000 | 0000 |
| 25 | 7.1 | 1.3 | M4 | 0.7 | Partially Threaded | 9 | BSO-M4-25ZI | 5 | 000000000 | 0000 |
Splined Press-Fit Threaded Standoffs with Open End
Fully Threaded
Partially Threaded
Also known as captive standoffs, the splines on these bite into a panel for a permanent hold and the open end creates a through hole. They have good corrosion resistance and may be mildly magnetic. Use a lever press to install.
For technical drawings and 3-D models, click on a part number.
| Lg. | For Hole Dia. | For Min. Panel Thick. | Thread Size | Threading | Thread Lg. | Min. Thread Lg. | Thread Fit | PEM® Part Number | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
0.219" OD | ||||||||||||
| 1/4" | 0.166" | 0.06" | 4-40 | Fully Threaded | 1/4" | __ | Class 2B | KFSE-440-8 | ASTM A582 | 25 | 000000000 | 000000 |
0.281" OD | ||||||||||||
| 1/4" | 0.213" | 0.06" | 6-32 | Fully Threaded | 1/4" | __ | Class 2B | KFSE-632-8 | ASTM A582 | 25 | 000000000 | 00000 |
| 3/8" | 0.213" | 0.06" | 6-32 | Fully Threaded | 3/8" | __ | Class 2B | KFSE-632-12 | ASTM A582 | 10 | 000000000 | 00000 |
| 1/2" | 0.213" | 0.06" | 6-32 | Partially Threaded | __ | 3/8" | Class 2B | KFSE-632-16 | ASTM A582 | 10 | 000000000 | 00000 |
Miniature Press-Fit Threaded Standoffs with Open End
Designed to fit in the limited space of compact electronics, such as laptops and hand-held devices, these standoffs have a recess under the head that clinches a panel while splines on the head bite in for an extra-stong hold. The open end creates a through hole. Standoffs have excellent wear resistance and may be mildly magnetic. Use a lever press to install.
For technical drawings and 3-D models, click on a part number.
400 Series Stainless Steel—Inch
Fully Threaded
| Lg. | For Hole Dia. | For Min. Panel Thick. | Thread Size | Threading | Thread Lg. | PEM® Part Number | Specifications Met | Pkg. Qty. | Pkg. | |
0.094" OD | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 3/32" | 0.095" | 0.012" | 0-80 | Fully Threaded | 3/32" | MSO4-080-3 | ASTM A380 | 25 | 000000000 | 00000 |
| 1/8" | 0.095" | 0.012" | 0-80 | Fully Threaded | 1/8" | MSO4-080-4 | ASTM A380 | 25 | 000000000 | 0000 |
0.124" OD | ||||||||||
| 3/32" | 0.125" | 0.012" | 2-56 | Fully Threaded | 3/32" | MSO4-256-3 | ASTM A380 | 25 | 000000000 | 0000 |
| 1/8" | 0.125" | 0.012" | 2-56 | Fully Threaded | 1/8" | MSO4-256-4 | ASTM A380 | 25 | 000000000 | 0000 |
400 Series Stainless Steel—Metric
Fully Threaded
| Lg., mm | For Hole Dia., mm | For Min. Panel Thick., mm | Thread Size | Thread Pitch, mm | Threading | Thread Lg., mm | PEM® Part Number | Specifications Met | Pkg. Qty. | Pkg. | |
2.4 mm OD | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2.4 | 0.3 | M1 | 0.25 | Fully Threaded | 2 | MSO4-M1-2 | ASTM A380 | 25 | 000000000 | 000000 |
| 3 | 2.4 | 0.3 | M1 | 0.25 | Fully Threaded | 3 | MSO4-M1-3 | ASTM A380 | 25 | 000000000 | 00000 |
3.2 mm OD | |||||||||||
| 2 | 3.2 | 0.3 | M2 | 0.4 | Fully Threaded | 2 | MSO4-M2-2 | ASTM A380 | 25 | 000000000 | 0000 |
| 3 | 3.2 | 0.3 | M2 | 0.4 | Fully Threaded | 3 | MSO4-M2-3 | ASTM A380 | 25 | 000000000 | 0000 |
Press-Fit Unthreaded Spacers
Also known as captive spacers, the splines on these bite into a panel for a permanent hold. They have good corrosion resistance and may be mildly magnetic. The length does not include the splined portion. Use a lever press for installation.
For technical drawings and 3-D models, click on a part number.
| Lg. | For Screw Size | ID | For Hole Dia. | For Min. Panel Thick. | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
7/32" OD | ||||||||
| 1/8" | No. 4 | 0.115" | 0.166" | 0.06" | ASME B1.1, ASTM A380 | 25 | 000000000 | 000000 |
| 3/16" | No. 4 | 0.115" | 0.166" | 0.06" | ASME B1.1, ASTM A380 | 25 | 000000000 | 00000 |
| 1/4" | No. 4 | 0.115" | 0.166" | 0.06" | ASME B1.1, ASTM A380 | 25 | 000000000 | 00000 |
9/32" OD | ||||||||
| 1/8" | No. 6 | 0.140" | 0.213" | 0.06" | ASME B1.1, ASTM A380 | 25 | 000000000 | 00000 |
| 3/16" | No. 6 | 0.140" | 0.213" | 0.06" | ASME B1.1, ASTM A380 | 25 | 000000000 | 00000 |
| 1/4" | No. 6 | 0.140" | 0.213" | 0.06" | ASME B1.1, ASTM A380 | 25 | 000000000 | 00000 |
| 3/8" | No. 6 | 0.140" | 0.213" | 0.06" | ASME B1.1, ASTM A380 | 10 | 000000000 | 0000 |
| 1/2" | No. 6 | 0.140" | 0.213" | 0.06" | ASME B1.1, ASTM A380 | 10 | 000000000 | 0000 |
Press-Fit Keyhole Supports
Once the end is permanently clinched in place, panels with keyholes easily slide on and off these supports for repairs and upgrades. Supports have good corrosion resistance and are passsivated for enhanced protection. They may be mildly magnetic. Use a lever press to install supports.
For technical drawings and 3-D models, click on a part number.
For Hole Dia. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Connector Lg. | (A) | (B) | For Panel Thick. (C) | For Min. Panel Thick. (D) | PEM® Part Number | Specifications Met | Pkg. Qty. | Pkg. | |
Passivated 300 Series Stainless Steel | ||||||||||
0.212" OD | ||||||||||
| 1/4" | 0.108" | 0.213" | 0.177" | 0.057" to 0.064" | 0.04" | SKC-6060-8 | ASTM A380 | 10 | 000000000 | 00000 |
| 3/8" | 0.108" | 0.213" | 0.177" | 0.057" to 0.064" | 0.04" | SKC-6060-12 | ASTM A380 | 10 | 000000000 | 0000 |
| 1/2" | 0.108" | 0.213" | 0.177" | 0.057" to 0.064" | 0.04" | SKC-6060-16 | ASTM A380 | 10 | 000000000 | 0000 |
| 5/8" | 0.108" | 0.213" | 0.177" | 0.057" to 0.064" | 0.04" | SKC-6060-20 | ASTM A380 | 10 | 000000000 | 0000 |
| 3/4" | 0.108" | 0.213" | 0.177" | 0.057" to 0.064" | 0.04" | SKC-6060-24 | ASTM A380 | 10 | 000000000 | 00000 |
Press-Fit Snap-Top Supports
With the end permanently clinched in place, the prongs allow you to quickly snap a panel on and off these supports for repairs and upgrades. They have excellent wear resistance and are passivated for enhanced protection. They may be mildly magnetic. Use a lever press to install.
For technical drawings and 3-D models, click on a part number.
For Hole Dia. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Connector Lg. | (A) | (B) | For Panel Thick. (C) | For Min. Panel Thick. (D) | PEM® Part Number | Specifications Met | Pkg. Qty. | Pkg. | |
Passivated 400 Series Stainless Steel | ||||||||||
0.212" OD | ||||||||||
| __ | 0.141" | 0.213" | 0.156" | 0.04" to 0.07" | 0.04" | __ | ASTM A380 | __ | 000000000 | 00 |
| 1/4" | 0.141" | 0.213" | 0.156" | 0.04" to 0.07" | 0.04" | SSC-156-8 | ASTM A380 | 10 | 000000000 | 000000 |
| 3/8" | 0.141" | 0.213" | 0.156" | 0.04" to 0.07" | 0.04" | SSC-156-12 | ASTM A380 | 10 | 000000000 | 00000 |
| 1/2" | 0.141" | 0.213" | 0.156" | 0.04" to 0.07" | 0.04" | SSC-156-16 | ASTM A380 | 10 | 000000000 | 00000 |
| 5/8" | 0.141" | 0.213" | 0.156" | 0.04" to 0.07" | 0.04" | SSC-156-20 | ASTM A380 | 10 | 000000000 | 00000 |
| 3/4" | 0.141" | 0.213" | 0.156" | 0.04" to 0.07" | 0.04" | SSC-156-24 | ASTM A380 | 10 | 000000000 | 00000 |