Compression Springs Regular

B8-66CS - 5.13" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 21 coils and closed ends. This spring features an O.D. of 0.718", and an I.D. of 0.562".

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Standard

Metric

Specs (in standard)
Label	Value
Brand	Century Spring
Display Name	B8-66
Ends	Closed
Finish	None
Free Length	5.13 in
Inside Diameter	0.562 in
Material	Spring Steel
Outside Diameter	0.718 in
Part Type	Standard
Rate	11 lbs/in
SKU	B8-66CS
Solid Length	1.72 in
Suggested Max Deflection	2.1 in
Suggested Max Load	22 lbf
Total Coils	21
Wire Diameter	0.078 in

Specs (in metric)
Label	Value
Brand	Century Spring
Display Name	B8-66
Ends	Closed
Finish	None
Free Length	130.3 mm
Inside Diameter	14.27 mm
Material	Spring Steel
Outside Diameter	18.24 mm
Part Type	Standard
Rate	1.93 N/mm
SKU	B8-66CS
Solid Length	43.69 mm
Suggested Max Deflection	53.34 mm
Suggested Max Load	97.86 N
Total Coils	21
Wire Diameter	1.98 mm

The B8-66 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 B8-66CS compression spring is designed with a free length of 3" total of 8.7 coils, and a rate of 119 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 B8-66 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.