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20 - 3 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 16.8 coils and Closed ends. This spring features an O.D. of 0.562 Inch, and an I.D. of 0.454 Inch.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 20
Ends Closed
Finish Zinc
Free Length 3 in
Inside Diameter 0.454 in
Material Spring Steel
Outside Diameter 0.562 in
Part Type Standard
Rate 6.3 lbs/in
SKU 20CS
Solid Length 0.96 in
Suggested Max Deflection 1.6 in
Suggested Max Load 10 lbf
Total Coils 16.8
Wire Diameter 0.054 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 20
Ends Closed
Finish Zinc
Free Length 76.2 mm
Inside Diameter 11.53 mm
Material Spring Steel
Outside Diameter 14.27 mm
Part Type Standard
Rate 1.1 N/mm
SKU 20CS
Solid Length 24.38 mm
Suggested Max Deflection 40.64 mm
Suggested Max Load 44.48 N
Total Coils 16.8
Wire Diameter 1.37 mm
The 20 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality hard drawn 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 20CS compression spring is designed with a free length of 1.75" total of 11.3 coils, and a rate of 0.39 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The 20 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.