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Century Spring

B12-30CS - 1" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 8.5 coils and closed & ground ends. This spring features an O.D. of 0.36", and an I.D. of 0.278".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B12-30
Ends Closed & Ground
Finish None
Free Length 1 in
Inside Diameter 0.278 in
Material Spring Steel
Outside Diameter 0.36 in
Part Type Standard
Rate 19 lbs/in
SKU B12-30CS
Solid Length 0.35 in
Suggested Max Deflection 0.38 in
Suggested Max Load 7.3 lbf
Total Coils 8.5
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B12-30
Ends Closed & Ground
Finish None
Free Length 25.4 mm
Inside Diameter 7.06 mm
Material Spring Steel
Outside Diameter 9.14 mm
Part Type Standard
Rate 3.33 N/mm
SKU B12-30CS
Solid Length 8.89 mm
Suggested Max Deflection 9.65 mm
Suggested Max Load 32.47 N
Total Coils 8.5
Wire Diameter 1.04 mm
The B12-30 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 B12-30CS compression spring is designed with a free length of 0.38" total of 7 coils, and a rate of 365 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 B12-30 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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