Diameter Diameter |
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Length Length |
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Material Material |
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Shaft Type Shaft Type |
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 | Coiled |
Pin Type Pin Type |
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 | Spring |
For Hole Diameter For Hole Diameter |
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End Shape End Shape |
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 | Chamfered |
Breaking Strength Breaking Strength |
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Head Type Head Type |
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 | Plain |
Minimum Hardness Minimum Hardness |
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|
End Type End Type |
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 | Plain |
Passivation Passivation |
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|
DFARS (Defense Acquisition Regulations Supplement) DFARS (DefenseAcquisition Regulations Supplement)  |
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Coiled Spring Pins
These spiral pins remain flexible after installation, so they absorb shock and vibration better than slotted spring pins. They work well in holes that are out of round. Use them for fastening, pivoting, and holding.
Squeeze pins closed and install them in a hole slightly smaller than the pin. Tension holds them tight against the hole wall. The chamfered ends aid insertion.
Breaking strength is measured as double shear, which is the force required to break a pin into three pieces.
Steel pins offer good strength.
18-8 stainless steel pins resist corrosion better than 420 stainless steel pins. They may be mildly magnetic.
420 stainless steel pins resist wear as well as corrosion. They are magnetic.
Passivated pins offer added protection against corrosion and oxidation.
Inch pins meet ASME B18.8.2 specifications for material and dimensions. Metric pins meet ISO 8750 specifications.
For technical drawings and 3-D models, click on a part number.
| Lg. | For Hole Dia. | Min. Hardness | Breaking Strength, lbs. | Passivation | Specifications Met | Pkg. Qty. | Pkg. | |
1050-1095 Spring Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
1/16" Dia. | ||||||||
| 1/4" | 0.061"-0.065" | Rockwell C42 | 300 | __ | ASME B18.8.2 | 100 | 000000000 | 00000 |
| 5/16" | 0.062"-0.065" | Rockwell C42 | 300 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 3/8" | 0.061"-0.065" | Rockwell C42 | 300 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 1/2" | 0.061"-0.065" | Rockwell C42 | 300 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 5/8" | 0.061"-0.065" | Rockwell C42 | 300 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 3/4" | 0.061"-0.065" | Rockwell C42 | 300 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 1" | 0.061"-0.065" | Rockwell C42 | 300 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
5/64" Dia. | ||||||||
| 5/16" | 0.077"-0.081" | Rockwell C42 | 550 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 3/8" | 0.077"-0.081" | Rockwell C42 | 550 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 1/2" | 0.077"-0.081" | Rockwell C42 | 550 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 5/8" | 0.077"-0.081" | Rockwell C42 | 550 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 3/4" | 0.077"-0.081" | Rockwell C42 | 550 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 1" | 0.077"-0.081" | Rockwell C42 | 550 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
3/32" Dia. | ||||||||
| 1/4" | 0.093"-0.097" | Rockwell C42 | 750 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 3/8" | 0.093"-0.097" | Rockwell C42 | 750 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 1/2" | 0.093"-0.097" | Rockwell C42 | 750 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 5/8" | 0.093"-0.097" | Rockwell C42 | 750 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 3/4" | 0.093"-0.097" | Rockwell C42 | 750 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 1" | 0.093"-0.097" | Rockwell C42 | 750 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 1 1/2" | 0.093"-0.097" | Rockwell C42 | 750 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
7/64" Dia. | ||||||||
| 1/4" | 0.108"-0.112" | Rockwell C42 | 1,000 | __ | ASME B18.8.2 | 50 | 000000000 | 00000 |
| 1/2" | 0.108"-0.112" | Rockwell C42 | 1,000 | __ | ASME B18.8.2 | 50 | 000000000 | 0000 |
| 3/4" | 0.108"-0.112" | Rockwell C42 | 1,000 | __ | ASME B18.8.2 | 50 | 000000000 | 00000 |
| 1" | 0.108"-0.112" | Rockwell C42 | 1,000 | __ | ASME B18.8.2 | 50 | 000000000 | 00000 |
| 1 1/2" | 0.108"-0.112" | Rockwell C42 | 1,000 | __ | ASME B18.8.2 | 25 | 000000000 | 00000 |
1/8" Dia. | ||||||||
| 3/8" | 0.124"-0.129" | Rockwell C42 | 1,400 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 7/16" | 0.124"-0.129" | Rockwell C42 | 1,400 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 1/2" | 0.124"-0.129" | Rockwell C42 | 1,400 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 5/8" | 0.124"-0.129" | Rockwell C42 | 1,400 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 3/4" | 0.124"-0.129" | Rockwell C42 | 1,400 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 7/8" | 0.124"-0.129" | Rockwell C42 | 1,400 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 1" | 0.124"-0.129" | Rockwell C42 | 1,400 | __ | ASME B18.8.2 | 100 | 000000000 | 0000 |
| 1 1/4" | 0.124"-0.129" | Rockwell C42 | 1,400 | __ | ASME B18.8.2 | 100 | 000000000 | 00000 |
| 1 1/2" | 0.124"-0.129" | Rockwell C42 | 1,400 | __ | ASME B18.8.2 | 100 | 000000000 | 00000 |
5/32" Dia. | ||||||||
| 1/2" | 0.155"-0.16" | Rockwell C42 | 2,200 | __ | ASME B18.8.2 | 100 | 000000000 | 00000 |
| 5/8" | 0.155"-0.16" | Rockwell C42 | 2,200 | __ | ASME B18.8.2 | 100 | 000000000 | 00000 |
| 3/4" | 0.155"-0.16" | Rockwell C42 | 2,200 | __ | ASME B18.8.2 | 100 | 000000000 | 00000 |
| 7/8" | 0.155"-0.16" | Rockwell C42 | 2,200 | __ | ASME B18.8.2 | 100 | 000000000 | 00000 |
| 1" | 0.155"-0.16" | Rockwell C42 | 2,200 | __ | ASME B18.8.2 | 100 | 000000000 | 00000 |
| 1 1/2" | 0.155"-0.16" | Rockwell C42 | 2,200 | __ | ASME B18.8.2 | 100 | 000000000 | 00000 |
| 2" | 0.155"-0.16" | Rockwell C42 | 2,200 | __ | ASME B18.8.2 | 50 | 000000000 | 00000 |
3/16" Dia. | ||||||||
| 1/2" | 0.187"-0.192" | Rockwell C42 | 3,100 | __ | ASME B18.8.2 | 25 | 000000000 | 0000 |
| 5/8" | 0.185"-0.192" | Rockwell C42 | 3,100 | __ | ASME B18.8.2 | 50 | 000000000 | 00000 |
| 3/4" | 0.185"-0.192" | Rockwell C42 | 3,100 | __ | ASME B18.8.2 | 50 | 000000000 | 0000 |
| 7/8" | 0.185"-0.192" | Rockwell C42 | 3,100 | __ | ASME B18.8.2 | 50 | 000000000 | 00000 |
Vibration-Resistant Slotted Spring Pins
