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B4-12CS - 1.44 Inch Spring Steel Compression Springs

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Estimated Lead Time

The B4-12CS 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 0.047 inches, an outer diameter of 0.25 inches, and a free length of 1.44 inches. It has a spring rate of 51 lbs/inch and a maximum load of 15 Pound Force. The B4-12CS is a closed and ground end spring, ensuring precision and durability. This standard compression spring is suitable for a variety of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive inventory. We understand the importance of timely delivery and have a significant stock of springs, including the B4-12CS. What sets us apart is that all our products are proudly made in the United States. When you choose Century Spring, you can trust that you're getting high-quality springs manufactured right here at home. Our commitment to fast shipping and American manufacturing ensures that you can rely on us for all your spring needs.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish None
Free Length 1.44 in
Inside Diameter 0.156 in
Material Spring Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 51 lbs/in
SKU B4-12CS
Solid Length 0.87 in
Suggested Max Deflection 0.3 in
Suggested Max Load 15 lbf
Total Coils 18.5
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish None
Free Length 36.58 mm
Inside Diameter 3.96 mm
Material Spring Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 8.93 N/mm
SKU B4-12CS
Solid Length 22.1 mm
Suggested Max Deflection 7.62 mm
Suggested Max Load 66.72 N
Total Coils 18.5
Wire Diameter 1.19 mm