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Century Spring

4358CS - 0.75" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 6 coils and closed ends. This spring features an O.D. of 0.375", and an I.D. of 0.275".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4358
Ends Closed
Finish Zinc
Free Length 0.75 in
Inside Diameter 0.275 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 65 lbs/in
SKU 4358CS
Solid Length 0.35 in
Suggested Max Deflection 0.18 in
Suggested Max Load 12 lbf
Total Coils 6
Wire Diameter 0.05 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4358
Ends Closed
Finish Zinc
Free Length 19.05 mm
Inside Diameter 6.99 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 11.38 N/mm
SKU 4358CS
Solid Length 8.89 mm
Suggested Max Deflection 4.57 mm
Suggested Max Load 53.38 N
Total Coils 6
Wire Diameter 1.27 mm
The 4358CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.05" diameter spring steel, the 4358 spring design exhibits reliable strength across its 6 active coils, withstanding repeated compression cycles with a maximum load of 12 lbf without succumbing to fatigue.

We manufacture the 4358 design to provide a compression spring that is 0.75" long at rest and provides a consistent rate of 65 lbs/in along its recommended maximum of 0.18" deflection. For best results, your application should fully accommodate the inner (0.275") and outer (0.375") diameters of this spring and be designed for its closed end configuration.

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