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B12-20CS - 1.25 Inch Spring Steel Compression Springs

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The B12-20CS is a regular compression spring manufactured by Century Spring. It is made from spring steel and has a zinc finish. This spring has a wire diameter of 0.11 inches, an outside diameter of 0.765 inches, and a free length of 1.25 inches. It has a spring rate of 187 lbs/inch and a maximum load of 54 pound force. The B12-20CS is a closed and ground spring, ensuring precise ends. It is a standard compression spring suitable for various applications.

At Century Spring, we offer fast shipping and maintain a significant stock inventory. Our products, including the B12-20CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish Zinc
Free Length 1.25 in
Inside Diameter 0.545 in
Material Spring Steel
Outside Diameter 0.765 in
Part Type Standard
Rate 187 lbs/in
SKU B12-20CS
Solid Length 0.66 in
Suggested Max Deflection 0.29 in
Suggested Max Load 54 lbf
Total Coils 6
Wire Diameter 0.11 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish Zinc
Free Length 31.75 mm
Inside Diameter 13.84 mm
Material Spring Steel
Outside Diameter 19.43 mm
Part Type Standard
Rate 32.74 N/mm
SKU B12-20CS
Solid Length 16.76 mm
Suggested Max Deflection 7.37 mm
Suggested Max Load 240.19 N
Total Coils 6
Wire Diameter 2.79 mm