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11581CS - 1.75" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 10 coils and closed & ground ends. This spring features an O.D. of 0.609", and an I.D. of 0.489".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 11581
Ends Closed & Ground
Finish None
Free Length 1.75 in
Inside Diameter 0.489 in
Material Spring Steel
Outside Diameter 0.609 in
Part Type Standard
Rate 14 lbs/in
SKU 11581CS
Solid Length 0.66 in
Suggested Max Deflection 0.91 in
Suggested Max Load 13 lbf
Total Coils 10
Wire Diameter 0.06 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 11581
Ends Closed & Ground
Finish None
Free Length 44.45 mm
Inside Diameter 12.42 mm
Material Spring Steel
Outside Diameter 15.47 mm
Part Type Standard
Rate 2.45 N/mm
SKU 11581CS
Solid Length 16.76 mm
Suggested Max Deflection 23.11 mm
Suggested Max Load 57.82 N
Total Coils 10
Wire Diameter 1.52 mm
The 11581CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.06" diameter spring steel, the 11581 spring design exhibits reliable strength across its 10 active coils, withstanding repeated compression cycles with a maximum load of 13 lbf without succumbing to fatigue.

We manufacture the 11581 design to provide a compression spring that is 1.75" long at rest and provides a consistent rate of 14 lbs/in along its recommended maximum of 0.91" deflection. For best results, your application should fully accommodate the inner (0.489") and outer (0.609") diameters of this spring and be designed for its closed & ground end configuration.

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