Spring Type Spring Type |
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 | Extension |
System of Measurement System of Measurement |
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Length Length | Show |
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Length Length | Hide |
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Load Load |
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Extended Length @ Maximum Load Extended Length@ Maximum Load |
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Rate Rate |
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Material Material |
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Finish Finish |
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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 of extension.
Zinc-plated springs have mild corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Load, lbs. | |||||||||
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| OD | Wire Dia. | Extended Lg. @ Max. Load | Min. | Max. | Rate, lbs./in. | Material | Pkg. Qty. | Pkg. | |
6.5" Lg. | |||||||||
| 0.313" | 0.035" | 12.5" | 0.79 | 4.6 | 0.62 | Zinc-Plated Spring-Tempered Steel | 3 | 00000000 | 00000 |
| 0.625" | 0.08" | 8.52" | 6.45 | 17.18 | 5.31 | Zinc-Plated Spring-Tempered Steel | 1 | 00000000 | 0000 |
| 0.75" | 0.091" | 8.72" | 7.54 | 20.68 | 5.93 | Zinc-Plated Spring-Tempered Steel | 1 | 00000000 | 0000 |
| 0.75" | 0.091" | 11.775" | 7.03 | 41.17 | 6.37 | Spring-Tempered Steel | 3 | 00000000 | 0000 |
| 0.75" | 0.12" | 8.56" | 20.8 | 87.75 | 29.07 | Spring-Tempered Steel | 3 | 00000000 | 0000 |
| 0.906" | 0.092" | 7.5" | 5 | 8.14 | 3.14 | Music-Wire Steel | 1 | 00000000 | 00000 |
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.
For technical drawings and 3-D models, click on a part number.