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3770CS - 3 Inch Spring Steel Compression Springs

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Estimated Lead Time

The 3770CS 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 0.177 inches, an outside diameter of 0.859 inches, and a free length of 3 inches. It has a spring rate of 424 lbs/inch and a maximum load of 180 Pound Force. The ends of this spring are closed and ground, ensuring a secure fit. The 3770CS is a standard compression spring suitable for a variety of applications.

At Century Spring, we offer fast shipping and maintain a significant stock inventory. Our springs, including the 3770CS, 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 3 in
Inside Diameter 0.505 in
Material Spring Steel
Outside Diameter 0.859 in
Part Type Standard
Rate 424 lbs/in
SKU 3770CS
Solid Length 2.21 in
Suggested Max Deflection 0.42 in
Suggested Max Load 180 lbf
Total Coils 12.5
Wire Diameter 0.177 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish Zinc
Free Length 76.2 mm
Inside Diameter 12.83 mm
Material Spring Steel
Outside Diameter 21.82 mm
Part Type Standard
Rate 74.24 N/mm
SKU 3770CS
Solid Length 56.13 mm
Suggested Max Deflection 10.67 mm
Suggested Max Load 800.64 N
Total Coils 12.5
Wire Diameter 4.5 mm