Compression Springs Regular

B9-1CS - 0.69" Music Wire Compression Spring

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Compression spring manufactured from music wire with 5.5 coils and closed & ground ends. This spring features an O.D. of 0.296", and an I.D. of 0.254".

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Standard

Metric

Specs (in standard)
Label	Value
Brand	Century Spring
Display Name	B9-1
Ends	Closed & Ground
Finish	Zinc
Free Length	0.69 in
Inside Diameter	0.254 in
Material	Music Wire
Outside Diameter	0.296 in
Part Type	Standard
Rate	3.8 lbs/in
SKU	B9-1CS
Solid Length	0.12 in
Suggested Max Deflection	0.49 in
Suggested Max Load	1.9 lbf
Total Coils	5.5
Wire Diameter	0.021 in

Specs (in metric)
Label	Value
Brand	Century Spring
Display Name	B9-1
Ends	Closed & Ground
Finish	Zinc
Free Length	17.53 mm
Inside Diameter	6.45 mm
Material	Music Wire
Outside Diameter	7.52 mm
Part Type	Standard
Rate	0.67 N/mm
SKU	B9-1CS
Solid Length	3.05 mm
Suggested Max Deflection	12.45 mm
Suggested Max Load	8.45 N
Total Coils	5.5
Wire Diameter	0.53 mm

The B9-1 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality music wire 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 B9-1CS compression spring is designed with a free length of 0.5" total of 7 coils, and a rate of 19 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 B9-1 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.