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B9-51CS - 3.25" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 12.5 coils and closed & ground ends. This spring features an O.D. of 0.718", and an I.D. of 0.578".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B9-51
Ends Closed & Ground
Finish None
Free Length 3.25 in
Inside Diameter 0.578 in
Material Spring Steel
Outside Diameter 0.718 in
Part Type Standard
Rate 12 lbs/in
SKU B9-51CS
Solid Length 0.88 in
Suggested Max Deflection 1.3 in
Suggested Max Load 16 lbf
Total Coils 12.5
Wire Diameter 0.07 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B9-51
Ends Closed & Ground
Finish None
Free Length 82.55 mm
Inside Diameter 14.68 mm
Material Spring Steel
Outside Diameter 18.24 mm
Part Type Standard
Rate 2.1 N/mm
SKU B9-51CS
Solid Length 22.35 mm
Suggested Max Deflection 33.02 mm
Suggested Max Load 71.17 N
Total Coils 12.5
Wire Diameter 1.78 mm
The compression spring B9-51CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the B9-51 compression spring design exhibits exceptional tensile strength and resilience.

The B9-51 design is manufactured with a free length of 3.25", with an outer diameter of 0.718", an inner diameter of 0.578", and a total of 12.5 coils, expertly designed to deliver consistent compression characteristics including a rate of 12 lbs/in.

The B9-51CS compression spring is ideally suited for use in a wide range of mechanical assemblies, including but not limited to automotive suspension systems, industrial machinery, and electronic devices.

In summary, the compression spring B9-51 design stands out for its superior material properties, thoughtful design, and versatility in application. It is a prime choice for engineers committed to excellence and innovation in their projects.