System of Measurement System of Measurement |
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Length Length | Show |
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Length Length | Hide |
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Spring Type Spring Type |
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| Compression |
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| Extension |
ID ID |
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End Type End Type |
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| Closed and Ground | Closed |
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| Loop | Hook |
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| Plain |
Material Material |
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Rate Rate |
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Wire Diameter Wire Diameter |
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Compressed Length @ Maximum Load Compressed Length@ Maximum Load |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Load Load |
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Finish Finish |
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Specifications Met Specifications Met |
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Shaft Type Shaft Type |
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 | Coiled |
Breaking Strength Breaking Strength |
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Minimum Hardness Minimum Hardness |
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Passivation Passivation |
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Corrosion-Resistant Compression Springs
These springs are more corrosion resistant than standard compression springs. They're also easier to compress than standard compression springs. As you squeeze a compression spring, it pushes back to return to its original length. Rate is the amount of force required for every inch of compression or, for metric springs, millimeter of compression. The higher the rate, the harder it is to compress the spring.
302 stainless steel springs have good corrosion resistance.
316 stainless steel springs have excellent corrosion resistance.
Springs with closed and ground ends sit flat, so they won’t buckle.
For technical drawings and 3-D models, click on a part number.
| OD, mm | ID, mm | Wire Dia., mm | Compressed Lg. @ Max. Load, mm | Max. Load , lbs. | Rate, lbs./mm | Material | End Type | Specifications Met | Pkg. Qty. | Pkg. | |
35 mm Lg. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5.4 | 4.6 | 0.4 | 9 | 0.82 | 0.03 | 302 Stainless Steel | Closed | DIN 2095 | 5 | 00000000 | 000000 |
| 5.4 | 4.6 | 0.4 | 16.92 | 0.57 | 0.03 | Passivated 316 Stainless Steel | Closed | __ | 1 | 00000000 | 0000 |
| 5.99 | 3.81 | 1.09 | 27.89 | 9.57 | 1.34 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 5.99 | 4.37 | 0.81 | 24.13 | 4.15 | 0.38 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 0000000 | 0000 |
| 5.99 | 4.77 | 0.61 | 18.52 | 1.81 | 0.1 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 5.99 | 4.97 | 0.51 | 16.99 | 1.06 | 0.05 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 7.49 | 5.61 | 0.94 | 23.77 | 5.23 | 0.46 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 7.49 | 5.87 | 0.81 | 21.49 | 3.38 | 0.25 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 7.49 | 6.17 | 0.66 | 20.12 | 1.85 | 0.12 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 7.49 | 6.37 | 0.56 | 18.31 | 1.13 | 0.06 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 8.99 | 6.81 | 1.09 | 23.77 | 6.67 | 0.59 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 8.99 | 7.11 | 0.94 | 22.12 | 4.41 | 0.34 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 0000000 | 0000 |
| 8.99 | 7.67 | 0.66 | 18.77 | 1.55 | 0.09 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 10.8 | 8.2 | 1.3 | 22.53 | 9.23 | 0.74 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 10.8 | 9.02 | 0.89 | 18.29 | 3.15 | 0.18 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 11.99 | 9.19 | 1.4 | 22.02 | 10.16 | 0.78 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 11.99 | 10.11 | 0.94 | 19.51 | 3.35 | 0.21 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 13.51 | 11.33 | 1.09 | 16.1 | 4.53 | 0.24 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 15.01 | 11.81 | 1.6 | 21.23 | 11.92 | 0.86 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 15.01 | 12.63 | 1.19 | 14.02 | 5.2 | 0.24 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 0000000 | 0000 |
| 18.29 | 14.27 | 2.01 | 22.43 | 18.9 | 1.5 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
| 18.29 | 15.49 | 1.4 | 18.03 | 6.81 | 0.4 | Passivated 316 Stainless Steel | Closed and Ground | __ | 1 | 00000000 | 0000 |
Extension Springs with Loop Ends
As you stretch an extension spring, it gets harder to pull. Minimum load is the amount of force required to start to extend the spring. Maximum load is the amount of force required to fully extend the spring. Rate is the amount of force required for every inch or millimeter of extension.
For technical drawings and 3-D models, click on a part number.
Corrosion-Resistant Extension Springs with Loop Ends
Made of stainless steel, these springs are more corrosion resistant than steel springs. They're also easier to extend than steel springs. As you stretch an extension spring, it gets harder to pull. Minimum load is the amount of force required to start to extend the spring. Maximum load is the amount of force required to fully extend the spring. Rate is the amount of force required for every inch or millimeter of extension.
302 stainless steel springs have good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Extension Springs with Hook Ends
As you stretch an extension spring, it gets harder to pull. Minimum load is the amount of force required to start to extend the spring. Maximum load is the amount of force required to fully extend the spring. Rate is the amount of force required for every inch or mm of extension.
For technical drawings and 3-D models, click on a part number.
Corrosion-Resistant Extension Springs with Hook Ends
Made of stainless steel, these springs are more corrosion resistant than steel springs. They're also easier to extend than steel springs. As you stretch an extension spring, it gets harder to pull. Minimum load is the amount of force required to start to extend the spring. Maximum load is the amount of force required to fully extend the spring. Rate is the amount of force required for every inch of extension or, for metric springs, millimeter of compression.
302 stainless steel springs have good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
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.
Passivated pins offer added protection against corrosion and oxidation.
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. | |
Metric 1050-1095 Spring Steel | ||||||||
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4mm Dia. | ||||||||
| 35mm | 4mm-4.1mm | Rockwell C43 | 2,100 | __ | DIN 7343, ISO 8750 | 25 | 000000000 | 000000 |
5mm Dia. | ||||||||
| 35mm | 5mm-5.1mm | Rockwell C43 | 3,300 | __ | DIN 7343, ISO 8750 | 25 | 000000000 | 00000 |
6mm Dia. | ||||||||
| 35mm | 6mm-6.1mm | Rockwell C43 | 4,900 | __ | DIN 7343, ISO 8750 | 5 | 000000000 | 0000 |
8mm Dia. | ||||||||
| 35mm | 8mm-8.2mm | Rockwell C43 | 8,700 | __ | ISO 8750 | 5 | 000000000 | 00000 |
Metric 18-8 Stainless Steel | ||||||||
4mm Dia. | ||||||||
| 35mm | 4mm-4.1mm | Not Rated | 1,700 | Passivated | DIN 7343, ISO 8750 | 10 | 000000000 | 00000 |
5mm Dia. | ||||||||
| 35mm | 5mm-5.1mm | Not Rated | 2,500 | Passivated | DIN 7343, ISO 8750 | 5 | 000000000 | 0000 |
6mm Dia. | ||||||||
| 35mm | 6mm-6.1mm | Not Rated | 3,700 | Passivated | DIN 7343, ISO 8750 | 5 | 000000000 | 00000 |
Heavy Duty Coiled Spring Pins
For tough jobs, these spiral pins are 30% stronger than our standard coiled spring pins. They remain flexible after installation to absorb shock and vibration, and 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.
All pins meet ASME specifications for material and dimensions. Metric pins also meet ISO 8748 specifications.
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. Those that are passivated offer added protection against corrosion and oxidation.
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. | |
1070-1095 Carbon Steel | ||||||||
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4mm Dia. | ||||||||
| 35mm | 4mm-4.1mm | Rockwell C42 | Not Rated | Not Passivated | ASME B18.8.3M, ISO 8748 | 25 | 000000000 | 000000 |
5mm Dia. | ||||||||
| 35mm | 5mm-5.1mm | Rockwell C42 | Not Rated | Not Passivated | ASME B18.8.3M, ISO 8748 | 25 | 000000000 | 00000 |
6mm Dia. | ||||||||
| 35mm | 6mm-6.1mm | Rockwell C42 | Not Rated | Not Passivated | ASME B18.8.3M, ISO 8748 | 10 | 000000000 | 0000 |
8mm Dia. | ||||||||
| 35mm | 8mm-8.1mm | Rockwell C42 | Not Rated | Not Passivated | ASME B18.8.3M, ISO 8748 | 10 | 000000000 | 00000 |
18-8 Stainless Steel | ||||||||
4mm Dia. | ||||||||
| 35mm | 4mm-4.1mm | Not Rated | Not Rated | Not Passivated | ASME B18.8.3M, ISO 8748 | 10 | 000000000 | 0000 |
5mm Dia. | ||||||||
| 35mm | 5mm-5.1mm | Not Rated | Not Rated | Not Passivated | ASME B18.8.3M, ISO 8748 | 10 | 000000000 | 00000 |
6mm Dia. | ||||||||
| 35mm | 6mm-6.1mm | Not Rated | Not Rated | Not Passivated | ASME B18.8.3M, ISO 8748 | 10 | 000000000 | 00000 |
8mm Dia. | ||||||||
| 35mm | 8mm-8.1mm | Not Rated | Not Rated | Not Passivated | ASME B18.8.3M, ISO 8748 | 5 | 000000000 | 00000 |
420 Stainless Steel | ||||||||
4mm Dia. | ||||||||
| 35mm | 4mm-4.1mm | Rockwell C46 | Not Rated | Not Passivated | ASME B18.8.3M, ISO 8748 | 10 | 000000000 | 0000 |
5mm Dia. | ||||||||
| 35mm | 5mm-5.1mm | Rockwell C46 | Not Rated | Not Passivated | ASME B18.8.3M, ISO 8748 | 10 | 000000000 | 00000 |
6mm Dia. | ||||||||
| 35mm | 6mm-6.1mm | Rockwell C46 | Not Rated | Not Passivated | ASME B18.8.3M, ISO 8748 | 5 | 000000000 | 0000 |
8mm Dia. | ||||||||
| 35mm | 8mm-8.1mm | Rockwell C46 | Not Rated | Not Passivated | ASME B18.8.3M, ISO 8748 | 5 | 000000000 | 00000 |