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B4-15CS - 0.50 Inch Spring Steel Compression Springs

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Estimated Lead Time

The B4-15CS is a regular compression spring manufactured by Century Spring. It is made from spring steel and has a natural finish. This spring has a wire diameter of 0.05 inches, an outside diameter of 0.843 inches, and a free length of 0.5 inches. It has a spring rate of 12 lbs/inch and a maximum load of 3.9 Pound Force. The B4-15CS is a closed and ground-end spring. It consists of 3.5 total coils and has a solid length of 0.18 inches. This standard compression spring is suitable for a variety of applications.

At Century Spring, we pride ourselves on providing fast shipping and maintaining a significant stock inventory. Our springs, including the B4-15CS, are proudly made in the United States. With our efficient shipping process and ample supply, we ensure that our customers can quickly receive the high-quality springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish None
Free Length 0.5 in
Inside Diameter 0.743 in
Material Spring Steel
Outside Diameter 0.843 in
Part Type Standard
Rate 12 lbs/in
SKU B4-15CS
Solid Length 0.18 in
Suggested Max Deflection 0.33 in
Suggested Max Load 3.9 lbf
Total Coils 3.5
Wire Diameter 0.05 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish None
Free Length 12.7 mm
Inside Diameter 18.87 mm
Material Spring Steel
Outside Diameter 21.41 mm
Part Type Standard
Rate 2.1 N/mm
SKU B4-15CS
Solid Length 4.57 mm
Suggested Max Deflection 8.38 mm
Suggested Max Load 17.35 N
Total Coils 3.5
Wire Diameter 1.27 mm