System of Measurement System of Measurement |
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Length Length | Show |
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Length Length | Hide |
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Material Material |
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For Hole Diameter For Hole Diameter |
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Shaft Type Shaft Type |
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![]() | Slotted |
End Type End Type |
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![]() | Plain |
Passivation Passivation |
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Head Type Head Type |
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![]() | Plain |
Minimum Hardness Minimum Hardness |
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Breaking Strength Breaking Strength |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Specifications Met Specifications Met |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Finish Finish |
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Slotted Spring Pins
Also known as roll, tension, split, and expansion pins, these pins have a slot along one side that you squeeze closed to install them into unthreaded holes. Once installed, they expand slightly, creating outward tension that holds them tight against the hole wall. These pins absorb shock and vibration in your system, and keep parts from loosening. They are often used as hinge pins, or to hold springs and power transmission components in place.
Install these pins into a hole. They have at least one chamfered end, which means the end is angled to make insertion easier.
Breaking strength is measured as double shear, which is the amount of force required to break a pin into three pieces.
Steel pins are strong and wear resistant. Pins with a black-phosphate or zinc-plated finish have an outer layer to protect the steel underneath from rust.
18-8 stainless steel pins offer a balance of strength and corrosion resistance.
420 stainless steel pins are as strong and wear resistant as steel, with the addition of corrosion resistance in wet environments.
Passivated pins offer added protection against corrosion and oxidation.
Pins that meet ASME B18.8.2 specifications are made to ASME standards for material and dimensions.
For technical drawings and 3-D models, click on a part number.


Lg. | For Hole Dia. | Wall Thick. | Min. Hardness | Breaking Strength, lbs. | Passivation | Specifications Met | Pkg. Qty. | Pkg. | |
1/16" Dia. | |||||||||
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13/16" | 0.062"-0.065" | 0.012" | Rockwell C43 | 430 | Not Passivated | ASME B18.8.2 | 100 | 000000000 | 000000 |
5/64" Dia. | |||||||||
13/16" | 0.078"-0.081" | 0.018" | Rockwell C43 | 800 | Not Passivated | ASME B18.8.2 | 250 | 000000000 | 00000 |
3/32" Dia. | |||||||||
13/16" | 0.094"-0.097" | 0.022" | Rockwell C43 | 1,100 | Not Passivated | ASME B18.8.2 | 250 | 000000000 | 00000 |
1/8" Dia. | |||||||||
13/16" | 0.125"-0.129" | 0.028" | Rockwell C43 | 1,800 | Not Passivated | ASME B18.8.2 | 250 | 000000000 | 00000 |
3/16" Dia. | |||||||||
13/16" | 0.187"-0.192" | 0.04" | Rockwell C43 | 4,100 | Not Passivated | ASME B18.8.2 | 250 | 000000000 | 00000 |


Lg. | For Hole Dia. | Wall Thick. | Min. Hardness | Breaking Strength, lbs. | Passivation | Specifications Met | Pkg. Qty. | Pkg. | |
1/16" Dia. | |||||||||
---|---|---|---|---|---|---|---|---|---|
13/16" | 0.062"-0.065" | 0.012" | Rockwell C43 | 430 | Not Passivated | ASME B18.8.2 | 100 | 000000000 | 00000 |
5/64" Dia. | |||||||||
13/16" | 0.078"-0.081" | 0.018" | Rockwell C43 | 800 | Not Passivated | ASME B18.8.2 | 250 | 000000000 | 00000 |
3/32" Dia. | |||||||||
13/16" | 0.094"-0.097" | 0.022" | Rockwell C43 | 1,100 | Not Passivated | ASME B18.8.2 | 250 | 000000000 | 00000 |
1/8" Dia. | |||||||||
13/16" | 0.125"-0.129" | 0.028" | Rockwell C43 | 1,800 | Not Passivated | ASME B18.8.2 | 250 | 000000000 | 00000 |
3/16" Dia. | |||||||||
13/16" | 0.187"-0.192" | 0.04" | Rockwell C43 | 4,100 | Not Passivated | ASME B18.8.2 | 100 | 000000000 | 00000 |


Lg. | For Hole Dia. | Wall Thick. | Min. Hardness | Breaking Strength, lbs. | Passivation | Specifications Met | Pkg. Qty. | Pkg. | |
1/16" Dia. | |||||||||
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13/16" | 0.062"-0.065" | 0.012" | Not Rated | 250 | Passivated | ASME B18.8.2 | 100 | 000000000 | 000000 |
5/64" Dia. | |||||||||
13/16" | 0.078"-0.081" | 0.018" | Not Rated | 450 | Passivated | ASME B18.8.2 | 100 | 000000000 | 00000 |
3/32" Dia. | |||||||||
13/16" | 0.094"-0.097" | 0.022" | Not Rated | 650 | Passivated | ASME B18.8.2 | 100 | 000000000 | 0000 |
1/8" Dia. | |||||||||
13/16" | 0.125"-0.129" | 0.028" | Not Rated | 1,000 | Passivated | ASME B18.8.2 | 100 | 000000000 | 00000 |
3/16" Dia. | |||||||||
13/16" | 0.187"-0.192" | 0.04" | Not Rated | 2,400 | Passivated | ASME B18.8.2 | 25 | 000000000 | 00000 |


Lg. | For Hole Dia. | Wall Thick. | Min. Hardness | Breaking Strength, lbs. | Passivation | Specifications Met | Pkg. Qty. | Pkg. | |
1/16" Dia. | |||||||||
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13/16" | 0.062"-0.065" | 0.012" | Rockwell C43 | 430 | Passivated | ASME B18.8.2 | 100 | 000000000 | 00000 |
5/64" Dia. | |||||||||
13/16" | 0.078"-0.081" | 0.018" | Rockwell C43 | 800 | Passivated | ASME B18.8.2 | 50 | 000000000 | 0000 |
3/32" Dia. | |||||||||
13/16" | 0.094"-0.097" | 0.022" | Rockwell C43 | 1,100 | Passivated | ASME B18.8.2 | 100 | 000000000 | 00000 |
1/8" Dia. | |||||||||
13/16" | 0.125"-0.129" | 0.028" | Rockwell C43 | 1,800 | Passivated | ASME B18.8.2 | 100 | 000000000 | 00000 |
3/16" Dia. | |||||||||
13/16" | 0.187"-0.192" | 0.04" | Rockwell C43 | 4,100 | Passivated | ASME B18.8.2 | 50 | 000000000 | 0000 |