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FF-78CS - 0.63 Inch Spring Steel Compression Springs

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The FF-78CS is a regular compression spring manufactured by Century Spring. It is made from spring steel and features a zinc finish. This spring has a wire diameter of 0.055 inches, an outside diameter of 0.42 inches, and a free length of 0.63 inches. With a maximum deflection of 0.18 inch and a spring rate of 77 lbs/inch, it is capable of supporting a maximum load of 14 pound force. The FF-78CS is a closed and ground-end spring, ensuring secure and stable performance. As a standard compression spring, it is suitable for use in various applications.

At Century Spring, we offer fast shipping and maintain a significant stock inventory. We take pride in manufacturing our products in the United States, ensuring high-quality and reliable springs. With our efficient shipping process and ample supply, we strive to provide our customers with the springs they need in a timely manner. Whether you require springs for industrial or personal use, Century Spring is here to meet your needs.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish Zinc
Free Length 0.63 in
Inside Diameter 0.31 in
Material Spring Steel
Outside Diameter 0.42 in
Part Type Standard
Rate 77 lbs/in
SKU FF-78CS
Solid Length 0.3 in
Suggested Max Deflection 0.18 in
Suggested Max Load 14 lbf
Total Coils 5.5
Wire Diameter 0.055 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish Zinc
Free Length 16 mm
Inside Diameter 7.87 mm
Material Spring Steel
Outside Diameter 10.67 mm
Part Type Standard
Rate 13.48 N/mm
SKU FF-78CS
Solid Length 7.62 mm
Suggested Max Deflection 4.57 mm
Suggested Max Load 62.27 N
Total Coils 5.5
Wire Diameter 1.4 mm