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Century Spring

B7-66CS - 1.13" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 7 coils and closed ends. This spring features an O.D. of 0.5", and an I.D. of 0.34".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B7-66
Ends Closed
Finish None
Free Length 1.13 in
Inside Diameter 0.34 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 159 lbs/in
SKU B7-66CS
Solid Length 0.64 in
Suggested Max Deflection 0.21 in
Suggested Max Load 34 lbf
Total Coils 7
Wire Diameter 0.08 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B7-66
Ends Closed
Finish None
Free Length 28.7 mm
Inside Diameter 8.64 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 27.84 N/mm
SKU B7-66CS
Solid Length 16.26 mm
Suggested Max Deflection 5.33 mm
Suggested Max Load 151.23 N
Total Coils 7
Wire Diameter 2.03 mm
The B7-66 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 B7-66CS compression spring is designed with a free length of 1.5" total of 5 coils, and a rate of 14 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 B7-66 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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