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B8-21CS - 0.50 Inch Music Wire Compression Springs

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Estimated Lead Time

The B8-21CS is a regular compression spring manufactured by Century Spring. It is made from Music Wire and has no finish applied to it. This spring has a wire diameter of 0.023 inches, an outer diameter of 0.203 inches, and a length of 0.5 inches. It has a spring rate of 8.6 lbs/inch and a maximum load of 2.3 Pound Force. The B8-21CS is a closed-end spring, meaning the ends are squared. It is a standard compression spring suitable for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. Our springs, including the B8-21CS, are made in the United States. With our efficient shipping process and ample supply, we ensure that customers can receive the springs they need promptly. Trust Century Spring for reliable and high-quality springs for your 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 0.157 in
Material Music Wire
Outside Diameter 0.203 in
Part Type Standard
Rate 8.6 lbs/in
SKU B8-21CS
Solid Length 0.23 in
Suggested Max Deflection 0.27 in
Suggested Max Load 2.3 lbf
Total Coils 10
Wire Diameter 0.023 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish None
Free Length 12.7 mm
Inside Diameter 3.99 mm
Material Music Wire
Outside Diameter 5.16 mm
Part Type Standard
Rate 1.51 N/mm
SKU B8-21CS
Solid Length 5.84 mm
Suggested Max Deflection 6.86 mm
Suggested Max Load 10.23 N
Total Coils 10
Wire Diameter 0.58 mm