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Captive Pins
Also known as pilot pins, use these pins to position, pivot, and align components. To install, punch or drill a hole in sheet metal, then use a punch and anvil or arbor press to clinch the head to the metal.
Pins are passivated for added protection against corrosion and oxidation. The ends are chamfered for easy insertion.
PEM® TPS pins work on steel or aluminum sheets. Made of 18-8 stainless steel, they offer a balance of strength and corrosion resistance and may be mildly magnetic.
PEM® TP4 pins work on stainless steel sheets. Made of 400 series stainless steel, they resist wear and abrasion, but are not as corrosion resistant as 18-8 stainless steel pins. Pins may be mildly magnetic.
PEM® MPP pins work with most materials. Made of A286 stainless steel, they're our strongest captive pins, with corrosion resistance comparable to 18-8 stainless steel pins. They are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
| Lg. | Dia. Tolerance | PEM® Part No. | For Min. Panel Thick. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||
|---|---|---|---|---|---|---|
1/8" Dia. | ||||||
| 3/8" | -0.002" to 0.002" | TPS-125-6 | 0.04" | 50 | 000000000 | 000000 |
| 1/2" | -0.002" to 0.002" | TPS-125-8 | 0.04" | 50 | 000000000 | 00000 |
| 5/8" | -0.002" to 0.002" | TPS-125-10 | 0.04" | 50 | 000000000 | 00000 |
| 3/4" | -0.002" to 0.002" | TPS-125-12 | 0.04" | 25 | 000000000 | 0000 |
3/16" Dia. | ||||||
| 3/8" | -0.002" to 0.002" | TPS-187-6 | 0.04" | 25 | 000000000 | 0000 |
| 1/2" | -0.002" to 0.002" | TPS-187-8 | 0.04" | 25 | 000000000 | 0000 |
| 5/8" | -0.002" to 0.002" | TPS-187-10 | 0.04" | 25 | 000000000 | 00000 |
| 3/4" | -0.002" to 0.002" | TPS-187-12 | 0.04" | 25 | 000000000 | 00000 |
| 1" | -0.002" to 0.002" | TPS-187-16 | 0.04" | 25 | 000000000 | 00000 |
1/4" Dia. | ||||||
| 1/2" | -0.002" to 0.002" | TPS-250-8 | 0.04" | 25 | 000000000 | 00000 |
| 5/8" | -0.002" to 0.002" | TPS-250-10 | 0.04" | 25 | 000000000 | 00000 |
| 3/4" | -0.002" to 0.002" | TPS-250-12 | 0.04" | 10 | 000000000 | 0000 |
| 1" | -0.002" to 0.002" | TPS-250-16 | 0.04" | 25 | 000000000 | 00000 |
400 Series Stainless Steel | ||||||
1/8" Dia. | ||||||
| 3/8" | -0.002" to 0.002" | TP4-125-6 | 0.04" | 25 | 000000000 | 0000 |
| 1/2" | -0.002" to 0.002" | TP4-125-8 | 0.04" | 25 | 000000000 | 0000 |
| 5/8" | -0.002" to 0.002" | TP4-125-10 | 0.04" | 25 | 000000000 | 0000 |
| 3/4" | -0.002" to 0.002" | TP4-125-12 | 0.04" | 25 | 000000000 | 0000 |
3/16" Dia. | ||||||
| 3/8" | -0.002" to 0.002" | TP4-187-6 | 0.04" | 25 | 000000000 | 0000 |
| 1/2" | -0.002" to 0.002" | TP4-187-8 | 0.04" | 25 | 000000000 | 0000 |
| 5/8" | -0.002" to 0.002" | TP4-187-10 | 0.04" | 25 | 000000000 | 00000 |
| 3/4" | -0.002" to 0.002" | TP4-187-12 | 0.04" | 25 | 000000000 | 00000 |
| 1" | -0.002" to 0.002" | TP4-187-16 | 0.04" | 25 | 000000000 | 00000 |
1/4" Dia. | ||||||
| 1/2" | -0.002" to 0.002" | TP4-250-8 | 0.04" | 25 | 000000000 | 00000 |
| 5/8" | -0.002" to 0.002" | TP4-250-10 | 0.04" | 25 | 000000000 | 00000 |
| 3/4" | -0.002" to 0.002" | TP4-250-12 | 0.04" | 25 | 000000000 | 00000 |
| 1" | -0.002" to 0.002" | TP4-250-16 | 0.04" | 25 | 000000000 | 00000 |
Metric 18-8 Stainless Steel | ||||||
3mm Dia. | ||||||
| 8mm | -0.05mm to 0.05mm | TPS-3MM-8 | 1mm | 25 | 000000000 | 0000 |
| 10mm | -0.05mm to 0.05mm | TPS-3MM-10 | 1mm | 25 | 000000000 | 0000 |
| 12mm | -0.05mm to 0.05mm | TPS-3MM-12 | 1mm | 25 | 000000000 | 0000 |
| 16mm | -0.05mm to 0.05mm | TPS-3MM-16 | 1mm | 25 | 000000000 | 0000 |
4mm Dia. | ||||||
| 8mm | -0.05mm to 0.05mm | TPS-4MM-8 | 1mm | 25 | 000000000 | 0000 |
| 10mm | -0.05mm to 0.05mm | TPS-4MM-10 | 1mm | 25 | 000000000 | 0000 |
| 12mm | -0.05mm to 0.05mm | TPS-4MM-12 | 1mm | 25 | 000000000 | 0000 |
| 16mm | -0.05mm to 0.05mm | TPS-4MM-16 | 1mm | 25 | 000000000 | 0000 |
5mm Dia. | ||||||
| 10mm | -0.05mm to 0.05mm | TPS-5MM-10 | 1mm | 25 | 000000000 | 0000 |
| 12mm | -0.05mm to 0.05mm | TPS-5MM-12 | 1mm | 25 | 000000000 | 0000 |
| 16mm | -0.05mm to 0.05mm | TPS-5MM-16 | 1mm | 25 | 000000000 | 0000 |
| 20mm | -0.05mm to 0.05mm | TPS-5MM-20 | 1mm | 25 | 000000000 | 00000 |
6mm Dia. | ||||||
| 12mm | -0.05mm to 0.05mm | TPS-6MM-12 | 1mm | 25 | 000000000 | 0000 |
| 16mm | -0.05mm to 0.05mm | TPS-6MM-16 | 1mm | 25 | 000000000 | 00000 |
| 20mm | -0.05mm to 0.05mm | TPS-6MM-20 | 1mm | 25 | 000000000 | 00000 |
Metric 400 Series Stainless Steel | ||||||
3mm Dia. | ||||||
| 8mm | -0.05mm to 0.05mm | TP4-3MM-8 | 1mm | 25 | 000000000 | 0000 |
| 10mm | -0.05mm to 0.05mm | TP4-3MM-10 | 1mm | 25 | 000000000 | 0000 |
| 12mm | -0.05mm to 0.05mm | TP4-3MM-12 | 1mm | 25 | 000000000 | 0000 |
| 16mm | -0.05mm to 0.05mm | TP4-3MM-16 | 1mm | 25 | 000000000 | 0000 |
4mm Dia. | ||||||
| 8mm | -0.05mm to 0.05mm | TP4-4MM-8 | 1mm | 25 | 000000000 | 0000 |
| 10mm | -0.05mm to 0.05mm | TP4-4MM-10 | 1mm | 25 | 000000000 | 0000 |
| 12mm | -0.05mm to 0.05mm | TP4-4MM-12 | 1mm | 25 | 000000000 | 0000 |
| 16mm | -0.05mm to 0.05mm | TP4-4MM-16 | 1mm | 25 | 000000000 | 0000 |
5mm Dia. | ||||||
| 10mm | -0.05mm to 0.05mm | TP4-5MM-10 | 1mm | 25 | 000000000 | 0000 |
| 12mm | -0.05mm to 0.05mm | TP4-5MM-12 | 1mm | 25 | 000000000 | 00000 |
| 16mm | -0.05mm to 0.05mm | TP4-5MM-16 | 1mm | 25 | 000000000 | 00000 |
| 20mm | -0.05mm to 0.05mm | TP4-5MM-20 | 1mm | 25 | 000000000 | 00000 |
6mm Dia. | ||||||
| 12mm | -0.05mm to 0.05mm | TP4-6MM-12 | 1mm | 25 | 000000000 | 00000 |
| 16mm | -0.05mm to 0.05mm | TP4-6MM-16 | 1mm | 25 | 000000000 | 00000 |
| 20mm | -0.05mm to 0.05mm | TP4-6MM-20 | 1mm | 25 | 000000000 | 00000 |
Metric A286 Stainless Steel | ||||||
1mm Dia. | ||||||
| 2mm | -0.038mm to 0.038mm | MPP-1MM-2 | 0.5mm | 25 | 000000000 | 00000 |
| 3mm | -0.038mm to 0.038mm | MPP-1MM-3 | 0.5mm | 25 | 000000000 | 00000 |
| 4mm | -0.038mm to 0.038mm | MPP-1MM-4 | 0.5mm | 25 | 000000000 | 00000 |
| 5mm | -0.038mm to 0.038mm | MPP-1MM-5 | 0.5mm | 25 | 000000000 | 00000 |
1.5mm Dia. | ||||||
| 3mm | -0.038mm to 0.038mm | MPP-1.5MM-3 | 0.5mm | 25 | 000000000 | 00000 |
| 4mm | -0.038mm to 0.038mm | MPP-1.5MM-4 | 0.5mm | 25 | 000000000 | 00000 |
| 5mm | -0.038mm to 0.038mm | MPP-1.5MM-5 | 0.5mm | 25 | 000000000 | 00000 |
| 6mm | -0.038mm to 0.038mm | MPP-1.5MM-6 | 0.5mm | 25 | 000000000 | 00000 |
| 8mm | -0.038mm to 0.038mm | MPP-1.5MM-8 | 0.5mm | 25 | 000000000 | 00000 |
2mm Dia. | ||||||
| 4mm | -0.038mm to 0.038mm | MPP-2MM-4 | 0.5mm | 25 | 000000000 | 0000 |
| 5mm | -0.038mm to 0.038mm | MPP-2MM-5 | 0.5mm | 25 | 000000000 | 0000 |
| 6mm | -0.038mm to 0.038mm | MPP-2MM-6 | 0.5mm | 25 | 000000000 | 0000 |
| 8mm | -0.038mm to 0.038mm | MPP-2MM-8 | 0.5mm | 25 | 000000000 | 0000 |
| 10mm | -0.038mm to 0.038mm | MPP-2MM-10 | 0.5mm | 25 | 000000000 | 0000 |
Captive Fastening Pins for Soft Materials
The grooves in these pins grip plastics and other soft materials. Press them in to hold panels together. Also known as PEM® TackSert pins, their small size makes them suitable for use in electronic assemblies.
PEM® TK4 pins are used to attach sheets to cast aluminum and other brittle materials. They are made of 400 series stainless steel to resist wear and abrasion and may be mildly magnetic. Pins are passivated for added protection against corrosion and oxidation.
PEM® TKA pins are used to attach sheets to plastics. They're made of aluminum and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
Head | For Hole Dia. | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | (A) | (B) | For Max. Panel Thick. (C) | PEM® Part No. | Pkg. Qty. | Pkg. | |
400 Series Stainless Steel | |||||||||
0.047" Dia. | |||||||||
| 0.039" | 0.071" | 0.011" | 0.051" | 0.039" | 0.008" | TK4-10-100 | 25 | 000000000 | 00000 |
| 0.059" | 0.071" | 0.011" | 0.051" | 0.039" | 0.028" | TK4-10-150 | 25 | 000000000 | 0000 |
| 0.079" | 0.071" | 0.011" | 0.051" | 0.039" | 0.047" | TK4-10-200 | 25 | 000000000 | 0000 |
| 0.098" | 0.071" | 0.011" | 0.051" | 0.039" | 0.067" | TK4-10-250 | 25 | 000000000 | 0000 |
| 0.118" | 0.071" | 0.011" | 0.051" | 0.039" | 0.087" | TK4-10-300 | 25 | 000000000 | 0000 |
Aluminum | |||||||||
0.047" Dia. | |||||||||
| 0.039" | 0.071" | 0.011" | 0.051" | 0.039" | 0.008" | TKA-10-100 | 25 | 000000000 | 0000 |
| 0.059" | 0.071" | 0.011" | 0.051" | 0.039" | 0.028" | TKA-10-150 | 25 | 000000000 | 0000 |
| 0.079" | 0.071" | 0.011" | 0.051" | 0.039" | 0.047" | TKA-10-200 | 25 | 000000000 | 0000 |
| 0.098" | 0.071" | 0.011" | 0.051" | 0.039" | 0.067" | TKA-10-250 | 25 | 000000000 | 0000 |
| 0.118" | 0.071" | 0.011" | 0.051" | 0.039" | 0.087" | TKA-10-300 | 25 | 000000000 | 0000 |
Captive Fastening Pins
Often used in cell phones and laptops, these pins attach thin panels such as printed circuit boards to metal and plastic bases. Also known as PEM® TackPins.
PEM® T4 pins are used to attach sheets to stainless steel. They are made of 400 series stainless steel to resist wear and abrasion and may be mildly magnetic. Pins are passivated for added protection against corrosion and oxidation.
PEM® TA pins work with most materials. They are made of aluminum and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
Head | For Hole Dia. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. Tolerance | Dia. | Ht. | (A) | (B) | For Panel Thick. (C) | For Min. Panel Thick. (D) | PEM® Part No. | Pkg. Qty. | Pkg. | |
400 Series Stainless Steel | |||||||||||
0.051" Dia. | |||||||||||
| 0.04" | -0.002" to 0.002" | 0.079" | 0.008" | 0.058" | 0.04" | 0.008"-0.011" | 0.035" | T4-10-025 | 25 | 000000000 | 00000 |
Aluminum | |||||||||||
0.051" Dia. | |||||||||||
| 0.04" | -0.002" to 0.002" | 0.079" | 0.008" | 0.058" | 0.04" | 0.008"-0.011" | 0.035" | TA-10-025 | 25 | 000000000 | 0000 |
| 0.051" | -0.002" to 0.002" | 0.079" | 0.008" | 0.058" | 0.04" | 0.019"-0.022" | 0.035" | TA-10-050 | 25 | 000000000 | 0000 |
| 0.06" | -0.002" to 0.002" | 0.079" | 0.008" | 0.058" | 0.04" | 0.028"-0.031" | 0.035" | TA-10-075 | 25 | 000000000 | 0000 |
Twist-to-Lock Press-Fit Captive-Panel
Retractable Spring Plungers
Lock the nose in the retracted position by pulling the knob and rotating it 90°. Use an arbor press or similar pressure tool to install these spring plungers into a panel. They have a spring-loaded pin that retracts to release sliding parts. Use them as a locator or hinge pin on removable doors. The body is zinc-plated steel to resist corrosion in wet environments.
For Hole Dia. | Body | Nose | |||||||
|---|---|---|---|---|---|---|---|---|---|
| For Outer Panel Thick. | Outer Panel | Inner Panel | Dia. | Lg. | Dia. | Lg. | Handle Material | Each | |
Zinc-Plated Steel Body and Steel Nose | |||||||||
| 0.06" to 0.15" | 0.328" | 0.252" | 0.45" | 0.48" | 0.249" | 0.32" | Nickel-Plated Steel | 000000000 | 00000 |
Press-Fit Captive-Panel Retractable Spring Plungers
Use an arbor press or similar pressure tool to install these spring plungers into a panel. They have a spring-loaded pin that retracts to release sliding parts. Pull the knob to withdraw the pin from inner panel. Use them as a locator or hinge pin on removable doors. The body is zinc-plated steel to resist corrosion in wet environments.
For Hole Dia. | Body | Nose | |||||||
|---|---|---|---|---|---|---|---|---|---|
| For Outer Panel Thick. | Outer Panel | Inner Panel | Dia. | Lg. | Lg. | Dia. | Handle Material | Each | |
Zinc-Plated Steel Body and Steel Nose | |||||||||
| 0.06" to 0.15" | 0.328" | 0.252" | 0.45" | 0.48" | 0.32" | 0.249" | Nickel-Plated Steel | 000000000 | 00000 |
Thread-In Captive-Panel Retractable Spring Plungers
Insert the nose into a panel; then thread on the nut and tighten using an installation wrench (sold separately). These spring plungers have a spring-loaded pin that retracts to release sliding parts. Pull the knob to retract the nose. Use them as a locator or hinge pin on removable doors. The body is zinc-plated steel to resist corrosion in wet environments.
Spring Plungers | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
For Hole Dia. | Body | Nose | Installation Wrenches | ||||||||
| For Outer Panel Thick. | Outer Panel | Inner Panel | Dia. | Lg. | Lg. | Dia. | Handle Material | Each | Each | ||
Zinc-Plated Steel Body and Steel Nose | |||||||||||
| 0.025" to 0.06" | 0.281" | 0.188" | 0.53" | 0.53" | 0.25" | 0.183" | 6262 Aluminum | 000000000 | 00000 | 000000000 | 000000 |
| 0.031" to 0.125" | 0.359" | 0.25" | 0.69" | 0.72" | 0.31" | 0.245" | 6262 Aluminum | 000000000 | 0000 | 000000000 | 00000 |
Twist-to-Lock Thread-In Captive-Panel
Retractable Spring Plungers
Lock the nose in the retracted position by pulling the knob and rotating it 90°. Insert the nose into a panel; then thread on the nut and tighten using an installation wrench (sold separately). These spring plungers have a spring-loaded pin that retracts to release sliding parts. Use them as a locator or hinge pin on removable doors. The body is zinc-plated steel to resist corrosion in wet environments.
Spring Plungers | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
For Hole Dia. | Body | Nose | Installation Wrenches | ||||||||
| For Outer Panel Thick. | Outer Panel | Inner Panel | Dia. | Lg. | Lg. | Dia. | Handle Material | Each | Each | ||
Zinc-Plated Steel Body and Steel Nose | |||||||||||
| 0.025" to 0.06" | 0.281" | 0.188" | 0.53" | 0.53" | 0.25" | 0.183" | 6262 Aluminum | 000000000 | 00000 | 000000000 | 000000 |
| 0.031" to 0.125" | 0.359" | 0.25" | 0.69" | 0.72" | 0.31" | 0.245" | 6262 Aluminum | 000000000 | 0000 | 000000000 | 00000 |