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B4-20CS - 0.50 Inch Spring Steel Compression Springs

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The B4-20CS 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 0.75 inches, and a free length of 0.5 inches. It has an inside diameter of 0.65 Inch and a solid length of 0.16 inches. With a spring rate of 21 lbs/inch and a maximum load of 6.1 Pound Force, the B4-20CS is a reliable and sturdy option for various applications. It features closed and ground ends, ensuring a secure fit. Century Spring takes pride in offering high-quality springs like the B4-20CS, all made in the United States.

Century Spring maintains a significant stock inventory and offers fast shipping for all our products, including the B4-20CS. We understand the importance of timely delivery, and our streamlined shipping process ensures that customers receive their springs promptly. With our extensive stock, we can fulfill orders quickly and efficiently. Additionally, all our products are proudly made in the United States, guaranteeing exceptional quality and craftsmanship. Trust Century Spring for all your spring needs and experience the convenience of fast shipping and reliable inventory.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish None
Free Length 0.5 in
Inside Diameter 0.65 in
Material Spring Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 21 lbs/in
SKU B4-20CS
Solid Length 0.16 in
Suggested Max Deflection 0.29 in
Suggested Max Load 6.1 lbf
Total Coils 3.25
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 16.51 mm
Material Spring Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 3.68 N/mm
SKU B4-20CS
Solid Length 4.06 mm
Suggested Max Deflection 7.37 mm
Suggested Max Load 27.13 N
Total Coils 3.25
Wire Diameter 1.27 mm