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Century Spring

K-70CS - 0.63" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 7 coils and closed & ground ends. This spring features an O.D. of 0.375", and an I.D. of 0.231".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name K-70
Ends Closed & Ground
Finish None
Free Length 0.63 in
Inside Diameter 0.231 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 278 lbs/in
SKU K-70CS
Solid Length 0.5 in
Suggested Max Deflection 0.11 in
Suggested Max Load 32 lbf
Total Coils 7
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name K-70
Ends Closed & Ground
Finish None
Free Length 16 mm
Inside Diameter 5.87 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 48.68 N/mm
SKU K-70CS
Solid Length 12.7 mm
Suggested Max Deflection 2.79 mm
Suggested Max Load 142.34 N
Total Coils 7
Wire Diameter 1.83 mm
The K-70CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.072" diameter spring steel, the K-70 spring design exhibits reliable strength across its 7 active coils, withstanding repeated compression cycles with a maximum load of 32 lbf without succumbing to fatigue.

We manufacture the K-70 design to provide a compression spring that is 0.63" long at rest and provides a consistent rate of 278 lbs/in along its recommended maximum of 0.11" deflection. For best results, your application should fully accommodate the inner (0.231") and outer (0.375") diameters of this spring and be designed for its closed & ground end configuration.

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