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B12-29CS - 0.38 Inch Spring Steel Compression Springs

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The B12-29CS 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 0.038 inches, an outer diameter of 0.156 inches, and a free length of 0.38 inches. It has a spring rate of 365 lbs/inch and a maximum load of 12 Pound Force. The B12-29CS is a closed-end spring, meaning the ends are ground. It is a standard compression spring and is suitable for various applications.

Century Spring offers fast shipping and maintains a significant stock inventory. We are proud to manufacture our springs in the United States. With our efficient shipping and ample supply, Century Spring ensures that customers can promptly 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 0.38 in
Inside Diameter 0.08 in
Material Spring Steel
Outside Diameter 0.156 in
Part Type Standard
Rate 365 lbs/in
SKU B12-29CS
Solid Length 0.27 in
Suggested Max Deflection 0.03 in
Suggested Max Load 12 lbf
Total Coils 7
Wire Diameter 0.038 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish None
Free Length 9.65 mm
Inside Diameter 2.03 mm
Material Spring Steel
Outside Diameter 3.96 mm
Part Type Standard
Rate 41239.46 N/mm
SKU B12-29CS
Solid Length 6.86 mm
Suggested Max Deflection 0.76 mm
Suggested Max Load 53.38 N
Total Coils 7
Wire Diameter 0.97 mm