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B2-5CS - 0.3" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 3.5 coils and closed ends. This spring features an O.D. of 0.328", and an I.D. of 0.264".

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

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B2-5
Ends Closed
Finish Zinc
Free Length 0.3 in
Inside Diameter 0.264 in
Material Spring Steel
Outside Diameter 0.328 in
Part Type Standard
Rate 39 lbs/in
SKU B2-5CS
Solid Length 0.14 in
Suggested Max Deflection 0.1 in
Suggested Max Load 4 lbf
Total Coils 3.5
Wire Diameter 0.032 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B2-5
Ends Closed
Finish Zinc
Free Length 7.62 mm
Inside Diameter 6.71 mm
Material Spring Steel
Outside Diameter 8.33 mm
Part Type Standard
Rate 6.83 N/mm
SKU B2-5CS
Solid Length 3.56 mm
Suggested Max Deflection 2.54 mm
Suggested Max Load 17.79 N
Total Coils 3.5
Wire Diameter 0.81 mm
The B2-5 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 B2-5CS compression spring is designed with a free length of 1.25" total of 5.25 coils, and a rate of 284 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 B2-5 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.