Clear All
Spring Type Spring Type |
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| Compression |
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| Extension |
System of Measurement System of Measurement |
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OD OD |
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End Type End Type |
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| Loop | Hook |
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| Open | Straight Cut |
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| Elongated Hook | Straight Wire |
Length Length |
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Wire Diameter Wire Diameter |
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Spring Rate Spring Rate |
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Material Material |
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Finish Finish | Show |
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Finish Finish | Hide |
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Load Load |
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Extended Length @ Maximum Load Extended Length@ Maximum Load |
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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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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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Maximum Spring Rate Tolerance Maximum SpringRate Tolerance |
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Minimum Spring Rate Tolerance Minimum SpringRate Tolerance |
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Compression Spring Stock
Keep these extra-long springs on hand so you can cut the right length whenever you need it.
As you squeeze a compression spring, it pushes back to return to its original length. Spring rate is the amount of force required for every inch of compression. The higher the spring rate, the harder it is to compress the spring.
To determine the spring rate of a cut spring, first multiply the spring’s original length by the spring rate given, then divide the result by the cut length (in inches).
For technical drawings and 3-D models, click on a part number.
| OD | ID | Wire Dia. | Compressed Length @ Maximum Load | Maximum Load, lbs. | Spring Rate, lbs./in. | Material | End Type | Pkg. Qty. | Pkg. | |
12" Lg. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 0.184" | 0.138" | 0.023" | 3.33" | 5.8 | 0.66 | Galvanized Spring-Tempered Steel | Open | 3 | 00000000 | 00000 |
| 0.206" | 0.154" | 0.026" | 3.45" | 7.28 | 0.82 | Galvanized Spring-Tempered Steel | Open | 3 | 00000000 | 0000 |
| 0.229" | 0.171" | 0.029" | 3.85" | 7.84 | 0.9 | Galvanized Spring-Tempered Steel | Open | 3 | 00000000 | 0000 |
| 0.254" | 0.19" | 0.032" | 3.59" | 10.57 | 1.19 | Galvanized Spring-Tempered Steel | Open | 3 | 00000000 | 0000 |
| 0.278" | 0.208" | 0.035" | 4.02" | 10.51 | 1.28 | Galvanized Spring-Tempered Steel | Open | 3 | 00000000 | 0000 |
| 0.328" | 0.246" | 0.041" | 3.97" | 14.36 | 1.78 | Galvanized Spring-Tempered Steel | Open | 3 | 00000000 | 0000 |
| 0.375" | 0.293" | 0.041" | 2.99" | 13.63 | 1.51 | Galvanized Spring-Tempered Steel | Open | 3 | 00000000 | 0000 |
| 0.38" | 0.284" | 0.048" | 4.08" | 19.66 | 2.36 | Galvanized Spring-Tempered Steel | Open | 3 | 00000000 | 0000 |
| 0.432" | 0.324" | 0.054" | 4.26" | 22.44 | 2.9 | Galvanized Spring-Tempered Steel | Open | 3 | 00000000 | 0000 |
| 0.5" | 0.374" | 0.063" | 3.84" | 36.89 | 4.36 | Galvanized Spring-Tempered Steel | Open | 3 | 00000000 | 0000 |
| 0.576" | 0.432" | 0.072" | 3.96" | 44.92 | 5.58 | Galvanized Spring-Tempered Steel | Open | 3 | 00000000 | 0000 |
| 0.64" | 0.48" | 0.08" | 4.16" | 51.54 | 6.57 | Galvanized Spring-Tempered Steel | Open | 3 | 00000000 | 0000 |
| 0.732" | 0.548" | 0.092" | 4.23" | 67.81 | 8.52 | Galvanized Spring-Tempered Steel | Open | 3 | 00000000 | 0000 |
| 0.844" | 0.632" | 0.106" | 4.24" | 89.83 | 11.33 | Galvanized Spring-Tempered Steel | Open | 3 | 00000000 | 00000 |
| 0.964" | 0.722" | 0.121" | 4.63" | 36.81 | 14.02 | Galvanized Spring-Tempered Steel | Open | 3 | 00000000 | 00000 |
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.
Inch
Load, lbs. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| OD | Wire Dia. | Extended Lg. @ Max. Load | Min. | Max. | Spring Rate, lbs./in. | Material | Pkg. Qty. | Pkg. | |
1.75" Lg. | |||||||||
| 0.75" | 0.105" | 2.04" | 12.8 | 44.3 | 108.52 | Galvanized Spring-Tempered Steel | 6 | 000000 | 00000 |
3" Lg. | |||||||||
| 0.75" | 0.105" | 3.822" | 12.8 | 44.3 | 38.3 | Galvanized Spring-Tempered Steel | 6 | 0000000 | 0000 |
3.438" Lg. | |||||||||
| 0.75" | 0.105" | 4.454" | 12.8 | 44.3 | 31 | Galvanized Spring-Tempered Steel | 6 | 0000000 | 0000 |
3.813" Lg. | |||||||||
| 0.75" | 0.105" | 4.975" | 12.8 | 44.3 | 27.13 | Galvanized Spring-Tempered Steel | 6 | 0000000 | 00000 |
Extension Springs with Special Ends
A
D
E
F
For specialty applications and connections, these springs have unique end types.
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 of extension.
For technical drawings and 3-D models, click on a part number.
Load, lbs. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Style | Lg. | OD | Wire Dia. | Extended Lg. @ Max. Load | Min. | Max. | Spring Rate, lbs./in. | Material | Pkg. Qty. | Pkg. | |
Straight Cut | |||||||||||
| A | 12" | 0.13" | 0.016" | 23.73" | 0.24 | 1.3 | 0.09 | Galvanized Spring-Tempered Steel | 3 | 0000000 | 000000 |
| A | 12" | 0.141" | 0.018" | 22.66" | 0.31 | 1.65 | 0.13 | Galvanized Spring-Tempered Steel | 3 | 0000000 | 00000 |
| A | 12" | 0.16" | 0.02" | 22.97" | 0.39 | 2.1 | 0.16 | Galvanized Spring-Tempered Steel | 3 | 0000000 | 00000 |
| A | 12" | 0.184" | 0.023" | 23.47" | 0.48 | 2.6 | 0.19 | Galvanized Spring-Tempered Steel | 3 | 0000000 | 00000 |
| A | 12" | 0.206" | 0.026" | 22.86" | 0.6 | 3.15 | 0.24 | Galvanized Spring-Tempered Steel | 3 | 0000000 | 00000 |
| A | 12" | 0.229" | 0.029" | 22.91" | 0.74 | 3.85 | 0.41 | Galvanized Spring-Tempered Steel | 3 | 0000000 | 00000 |
| A | 12" | 0.25" | 0.032" | 22.6" | 0.93 | 4.85 | 0.37 | Galvanized Spring-Tempered Steel | 3 | 0000000 | 00000 |
| A | 12" | 0.328" | 0.041" | 22.58" | 1.51 | 7.75 | 0.59 | Galvanized Spring-Tempered Steel | 3 | 0000000 | 00000 |
| A | 12" | 0.375" | 0.048" | 21.56" | 2.09 | 10 | 0.83 | Galvanized Spring-Tempered Steel | 3 | 00000000 | 00000 |
| A | 12" | 0.437" | 0.054" | 21.84" | 2.57 | 12.25 | 0.98 | Galvanized Spring-Tempered Steel | 3 | 00000000 | 00000 |
| A | 12" | 0.5" | 0.063" | 21.46" | 3.52 | 16.5 | 1.37 | Galvanized Spring-Tempered Steel | 3 | 00000000 | 00000 |
| A | 12" | 0.964" | 0.121" | 20.33" | 13.09 | 55.75 | 5.12 | Galvanized Spring-Tempered Steel | 3 | 00000000 | 00000 |
Elongated Hook | |||||||||||
| D | 2 3/8" | 0.281" | 0.047" | 2.765" | 3.44 | 11.75 | 21.32 | Galvanized Spring-Tempered Steel | 6 | 00000000 | 00000 |
| D | 2 1/2" | 0.313" | 0.023" | 5.52" | 0.15 | 1.2 | 0.34 | Galvanized Spring-Tempered Steel | 6 | 00000000 | 00000 |
| D | 3 1/2" | 0.25" | 0.041" | 4.04" | 2.61 | 8.35 | 10.67 | Galvanized Spring-Tempered Steel | 6 | 00000000 | 00000 |
| D | 3 3/4" | 0.563" | 0.072" | 4.21" | 4.13 | 17.6 | 29.44 | Galvanized Spring-Tempered Steel | 3 | 00000000 | 00000 |
| D | 4" | 0.25" | 0.035" | 4.49" | 1.42 | 5.26 | 7.87 | Galvanized Spring-Tempered Steel | 6 | 00000000 | 00000 |
| D | 5 1/4" | 0.5" | 0.08" | 5.94" | 9.51 | 27.74 | 26.27 | Galvanized Spring-Tempered Steel | 3 | 00000000 | 00000 |
| D | 5 5/8" | 0.719" | 0.047" | 14.625" | 0.48 | 4.59 | 0.46 | Galvanized Spring-Tempered Steel | 10 | 0000000 | 00000 |
| D | 5 3/4" | 0.375" | 0.054" | 7.932" | 3.5 | 13.44 | 4.69 | Galvanized Spring-Tempered Steel | 1 | 00000000 | 0000 |
| D | 5 3/4" | 0.437" | 0.054" | 9.022" | 2.64 | 11.36 | 2.72 | Galvanized Spring-Tempered Steel | 1 | 00000000 | 0000 |
| D | 5 3/4" | 0.5" | 0.062" | 8.442" | 3.52 | 14.68 | 4.25 | Galvanized Spring-Tempered Steel | 1 | 00000000 | 0000 |
| D | 6" | 0.25" | 0.041" | 7.802" | 2.54 | 9.36 | 3.93 | Galvanized Spring-Tempered Steel | 1 | 00000000 | 0000 |
| D | 8 1/4" | 0.438" | 0.063" | 10.25" | 2.57 | 12.08 | 6.04 | Galvanized Spring-Tempered Steel | 10 | 0000000 | 00000 |
| D | 8 1/2" | 0.468" | 0.054" | 10.08" | 2.31 | 10.36 | 5.22 | Galvanized Spring-Tempered Steel | 1 | 00000000 | 0000 |
| D | 10 1/4" | 0.75" | 0.091" | 12.24" | 7.31 | 25.64 | 9.19 | Galvanized Spring-Tempered Steel | 3 | 0000000 | 00000 |
Elongated Hook and Loop | |||||||||||
| E | 1 5/8" | 0.25" | 0.039" | 1.895" | 1.95 | 7.29 | 19.42 | Galvanized Spring-Tempered Steel | 6 | 00000000 | 00000 |
| E | 2" | 0.313" | 0.041" | 2.54" | 1.73 | 6.43 | 8.7 | Galvanized Spring-Tempered Steel | 6 | 00000000 | 00000 |
| E | 5" | 0.563" | 0.072" | 6.29" | 5.08 | 17.6 | 9.73 | Galvanized Spring-Tempered Steel | 3 | 00000000 | 00000 |
| E | 5 1/2" | 0.375" | 0.062" | 6.31" | 6.06 | 17.94 | 14.62 | Galvanized Spring-Tempered Steel | 3 | 00000000 | 00000 |
Hook and Straight Wire | |||||||||||
| F | 8 1/2" | 0.75" | 0.094" | 13.5" | 4.5 | 20.5 | 17.1 | Galvanized Spring-Tempered Steel | 10 | 0000000 | 00000 |
| F | 17 1/2" | 0.75" | 0.063" | 23" | 2.69 | 14.35 | 2.61 | Galvanized Spring-Tempered Steel | 5 | 0000000 | 00000 |
| F | 18 1/2" | 0.813" | 0.094" | 20" | 10.62 | 40.09 | 26.73 | Galvanized Spring-Tempered Steel | 5 | 0000000 | 00000 |