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OO-8CS - 0.63" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 4.5 coils and closed & ground ends. This spring features an O.D. of 0.5", and an I.D. of 0.42".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name OO-8
Ends Closed & Ground
Finish None
Free Length 0.63 in
Inside Diameter 0.42 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 15 lbs/in
SKU OO-8CS
Solid Length 0.18 in
Suggested Max Deflection 0.33 in
Suggested Max Load 5 lbf
Total Coils 4.5
Wire Diameter 0.04 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name OO-8
Ends Closed & Ground
Finish None
Free Length 16 mm
Inside Diameter 10.67 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 2.63 N/mm
SKU OO-8CS
Solid Length 4.57 mm
Suggested Max Deflection 8.38 mm
Suggested Max Load 22.24 N
Total Coils 4.5
Wire Diameter 1.02 mm
The OO-8 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 OO-8CS compression spring is designed with a free length of 0.63" total of 4.5 coils, and a rate of 15 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 OO-8 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.