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Century Spring

A11-8CS - 0.53" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 4 coils and closed ends. This spring features an O.D. of 0.546", and an I.D. of 0.376".

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

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name A11-8
Ends Closed
Finish None
Free Length 0.53 in
Inside Diameter 0.376 in
Material Spring Steel
Outside Diameter 0.546 in
Part Type Standard
Rate 383 lbs/in
SKU A11-8CS
Solid Length 0.43 in
Suggested Max Deflection 0.1 in
Suggested Max Load 37 lbf
Total Coils 4
Wire Diameter 0.085 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name A11-8
Ends Closed
Finish None
Free Length 13.46 mm
Inside Diameter 9.55 mm
Material Spring Steel
Outside Diameter 13.87 mm
Part Type Standard
Rate 67.06 N/mm
SKU A11-8CS
Solid Length 10.92 mm
Suggested Max Deflection 2.54 mm
Suggested Max Load 164.58 N
Total Coils 4
Wire Diameter 2.16 mm
The A11-8 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 A11-8CS compression spring is designed with a free length of 0.72" total of 11 coils, and a rate of 94 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 A11-8 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.

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