System of Measurement System of Measurement |
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Length Length | Show |
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Length Length | Hide |
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End Type End Type |
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 | Closed and Ground |
 | Loop |
 | Hook |
Color Color |
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 | Green |
Material Material |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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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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Spring Rate Spring Rate |
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Maximum Spring Rate Tolerance Maximum SpringRate Tolerance |
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Minimum Spring Rate Tolerance Minimum SpringRate Tolerance |
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Load Rating Load Rating |
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Deflection @ Maximum Load Deflection @ Maximum Load |
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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. 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.
Load, lbs. | |||||||||
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| OD, mm | Wire Dia., mm | Extended Lg. @ Max. Load, mm | Min. | Max. | Spring Rate, lbs./mm | Material | Pkg. Qty. | Pkg. | |
127 mm Lg. | |||||||||
| 36 | 5 | 178.5 | 43.55 | 181.65 | 2.99 | Music-Wire Steel | 1 | 00000000 | 000000 |
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. 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.
Load, lbs. | |||||||||
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| OD, mm | Wire Dia., mm | Extended Lg. @ Max. Load, mm | Min. | Max. | Spring Rate, lbs./mm | Material | Pkg. Qty. | Pkg. | |
127 mm Lg. | |||||||||
| 36 | 5 | 178.5 | 43.55 | 181.64 | 2.99 | Music-Wire Steel | 1 | 00000000 | 000000 |
Metric Color-Coded Die Springs
The colors and sizes of these springs follow ISO 10243 for metric die springs. Made of chrome-silicon steel, they have high tensile strength for reliable, long-lasting operation in repetitive applications, such as punching and stamping. All have closed and ground ends, which provide a flat mounting surface for even movement and distribution of loads.
Deflection is the distance the spring compresses, expressed as a percentage of its length.
As you squeeze a die spring, it gets harder to push. Spring rate is the amount of force required for every millimeter of compression. The higher the spring rate, the harder it is to compress the spring.
For technical drawings and 3-D models, click on a part number.
Wire | ||||||||||
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| Lg., mm | Thick., mm | Wd., mm | Compressed Lg. @ Max. Load, mm | Deflection @ Max. Load | Max. Load, lbs. | Spring Rate, lbs./mm | Material | End Type | Each | |
Green (Light Load Rating) | ||||||||||
For 40 mm Hole Dia. (For 20 mm Shaft Dia.) | ||||||||||
| 127 | 3.43 | 8.76 | 82.5 | 35% | 369 | 8.3 | Chrome-Silicon Steel | Closed and Ground | 00000000 | 000000 |