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Century Spring

KK-58CS - 1" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 4 coils and closed & ground ends. This spring features an O.D. of 0.828", and an I.D. of 0.728".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name KK-58
Ends Closed & Ground
Finish Zinc
Free Length 1 in
Inside Diameter 0.728 in
Material Spring Steel
Outside Diameter 0.828 in
Part Type Standard
Rate 9.5 lbs/in
SKU KK-58CS
Solid Length 0.2 in
Suggested Max Deflection 0.58 in
Suggested Max Load 5.5 lbf
Total Coils 4
Wire Diameter 0.05 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name KK-58
Ends Closed & Ground
Finish Zinc
Free Length 25.4 mm
Inside Diameter 18.49 mm
Material Spring Steel
Outside Diameter 21.03 mm
Part Type Standard
Rate 1.66 N/mm
SKU KK-58CS
Solid Length 5.08 mm
Suggested Max Deflection 14.73 mm
Suggested Max Load 24.46 N
Total Coils 4
Wire Diameter 1.27 mm
The KK-58 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality spring steel and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The KK-58CS compression spring is designed with a free length of 0.47" total of 4 coils, and a rate of 18 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The KK-58 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.

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