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7CS - 1.25" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 13.5 coils and closed ends. This spring features an O.D. of 0.25", and an I.D. of 0.204".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 7
Ends Closed
Finish Zinc
Free Length 1.25 in
Inside Diameter 0.204 in
Material Spring Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 3 lbs/in
SKU 7CS
Solid Length 0.33 in
Suggested Max Deflection 0.7 in
Suggested Max Load 2.1 lbf
Total Coils 13.5
Wire Diameter 0.023 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 7
Ends Closed
Finish Zinc
Free Length 31.75 mm
Inside Diameter 5.18 mm
Material Spring Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.53 N/mm
SKU 7CS
Solid Length 8.38 mm
Suggested Max Deflection 17.78 mm
Suggested Max Load 9.34 N
Total Coils 13.5
Wire Diameter 0.58 mm
The 7 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 7CS compression spring is designed with a free length of 28.346" total of 20.52 coils, and a rate of 9.704 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 7 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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