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F-18CS - 0.28 Inch Music Wire Compression Springs

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The F-18CS is a regular compression spring manufactured by Century Spring. It is made from Music Wire and has a zinc finish. This spring has a wire diameter of 0.025 inches, an outer diameter of 0.188 inches, and a free length of 0.28 inches. It has a spring rate of 38 lbs/inch and a maximum load of 4.5 Pound Force. It is a closed-end spring, meaning the ends are squared. The F-18CS is a standard compression spring suitable for various applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the F-18CS, are proudly made in the United States. With our reliable shipping and ample supply, we ensure 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
Finish Zinc
Free Length 0.28 in
Inside Diameter 0.138 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 38 lbs/in
SKU F-18CS
Solid Length 0.16 in
Suggested Max Deflection 0.12 in
Suggested Max Load 4.5 lbf
Total Coils 5.5
Wire Diameter 0.025 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed
Finish Zinc
Free Length 7.11 mm
Inside Diameter 3.51 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 6.65 N/mm
SKU F-18CS
Solid Length 4.06 mm
Suggested Max Deflection 3.05 mm
Suggested Max Load 20.02 N
Total Coils 5.5
Wire Diameter 0.64 mm