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F-55CS - 1.25" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 10 coils and closed & ground ends. This spring features an O.D. of 0.468", and an I.D. of 0.378".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name F-55
Ends Closed & Ground
Finish Gold Iridite
Free Length 1.25 in
Inside Diameter 0.378 in
Material Spring Steel
Outside Diameter 0.468 in
Part Type Standard
Rate 9.7 lbs/in
SKU F-55CS
Solid Length 0.45 in
Suggested Max Deflection 0.77 in
Suggested Max Load 7.5 lbf
Total Coils 10
Wire Diameter 0.045 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name F-55
Ends Closed & Ground
Finish Gold Iridite
Free Length 31.75 mm
Inside Diameter 9.6 mm
Material Spring Steel
Outside Diameter 11.89 mm
Part Type Standard
Rate 1.7 N/mm
SKU F-55CS
Solid Length 11.43 mm
Suggested Max Deflection 19.56 mm
Suggested Max Load 33.36 N
Total Coils 10
Wire Diameter 1.14 mm
The compression spring F-55CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the F-55 compression spring design exhibits exceptional tensile strength and resilience.

The F-55 design is manufactured with a free length of 1.25", with an outer diameter of 0.468", an inner diameter of 0.378", and a total of 10 coils, expertly designed to deliver consistent compression characteristics including a rate of 9.7 lbs/in.

The F-55CS compression spring is ideally suited for use in a wide range of mechanical assemblies, including but not limited to automotive suspension systems, industrial machinery, and electronic devices.

In summary, the compression spring F-55 design stands out for its superior material properties, thoughtful design, and versatility in application. It is a prime choice for engineers committed to excellence and innovation in their projects.