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B9-51CS - 3.25 Inch Spring Steel Compression Springs

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Estimated Lead Time

The B9-51CS is a regular compression spring manufactured by Century Spring. This spring is made from spring steel and has a wire diameter of 0.07 inches. It has an outside diameter of 0.718 inch and a free length of 3.25 inches. The B9-51CS has a solid length of 0.88 inch and a total of 12.5 coils. It has a spring rate of 12 lbs/inch and a maximum load of 16 pound force. The ends of this spring are closed and ground. With its durable construction and precise measurements, the B9-51CS is ideal for various compression applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and that's why we ship our products promptly. Additionally, our significant stock ensures that we have a wide range of springs available to meet your needs. We are proud to say that all our springs, including the B9-51CS, are made in the United States. You can trust Century Spring for reliable shipping, ample supply, and quality American-made products.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
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
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