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Century Spring

858 - 3.13 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 9.67 coils and Closed & Ground ends. This spring features an O.D. of 1.25 Inch, and an I.D. of 0.974 Inch.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 858
Ends Closed & Ground
Finish Zinc
Free Length 3.13 in
Inside Diameter 0.974 in
Material Spring Steel
Outside Diameter 1.25 in
Part Type Standard
Rate 49 lbs/in
SKU 858CS
Solid Length 1.33 in
Suggested Max Deflection 1.3 in
Suggested Max Load 64 lbf
Total Coils 9.67
Wire Diameter 0.138 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 858
Ends Closed & Ground
Finish Zinc
Free Length 79.5 mm
Inside Diameter 24.74 mm
Material Spring Steel
Outside Diameter 31.75 mm
Part Type Standard
Rate 8.58 N/mm
SKU 858CS
Solid Length 33.78 mm
Suggested Max Deflection 33.02 mm
Suggested Max Load 284.67 N
Total Coils 9.67
Wire Diameter 3.51 mm
The 858CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.138" diameter hard drawn, the 858 spring design exhibits reliable strength across its 9.67 active coils, withstanding repeated compression cycles with a maximum load of 64 lbf without succumbing to fatigue.

We manufacture the 858 design to provide a compression spring that is 3.13" long at rest and provides a consistent rate of 49 lbs/in along its recommended maximum of 1.3" deflection. For best results, your application should fully accommodate the inner (0.974") and outer (1.25") diameters of this spring and be designed for its closed & ground end configuration.

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