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B12-42CS - 1.13 Inch Spring Steel Compression Springs

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The B12-42CS is a regular compression spring manufactured by Century Spring. It is made from Spring Steel and does not have a finish. This spring has a wire diameter of 0.032 inches, an outer diameter of 0.36 inches, and a free length of 1.13 inches. It has a spring rate of 7.8 lbs/inch and a maximum load of 3.7 Pound Force. The B12-42CS is a closed-end spring, meaning the ends are squared. It is a standard compression spring suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. Our products, including the B12-42CS, are proudly made in the United States. With our efficient shipping process and ample supply, Century Spring ensures that customers can swiftly receive the 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 1.13 in
Inside Diameter 0.296 in
Material Spring Steel
Outside Diameter 0.36 in
Part Type Standard
Rate 7.8 lbs/in
SKU B12-42CS
Solid Length 0.24 in
Suggested Max Deflection 0.47 in
Suggested Max Load 3.7 lbf
Total Coils 7.5
Wire Diameter 0.032 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish None
Free Length 28.7 mm
Inside Diameter 7.52 mm
Material Spring Steel
Outside Diameter 9.14 mm
Part Type Standard
Rate 1.37 N/mm
SKU B12-42CS
Solid Length 6.1 mm
Suggested Max Deflection 11.94 mm
Suggested Max Load 16.46 N
Total Coils 7.5
Wire Diameter 0.81 mm