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G-21CS - 0.31 Inch Music Wire Compression Springs

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The G-21CS is a regular compression spring manufactured by Century Spring. It is made from Music Wire and has a black oxide finish. This spring has a wire diameter of 0.011 inches, an outer diameter of 0.219 inches, and a free length of 0.31 inches. It has a spring rate of 0.26 lbs/inch and a maximum load of 0.05 Pound Force. The G-21CS is a closed-end spring, meaning the ends are squared. It is a standard compression spring suitable for various applications.

At Century Spring, we understand the importance of fast shipping and maintaining a significant stock inventory. That's why we offer both! Our products, including the G-21CS, 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
Finish Black Oxide
Free Length 0.31 in
Inside Diameter 0.197 in
Material Music Wire
Outside Diameter 0.219 in
Part Type Standard
Rate 0.26 lbs/in
SKU G-21CS
Solid Length 0.13 in
Suggested Max Deflection 0.18 in
Suggested Max Load 0.05 lbf
Total Coils 11
Wire Diameter 0.011 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed
Finish Black Oxide
Free Length 7.87 mm
Inside Diameter 5 mm
Material Music Wire
Outside Diameter 5.56 mm
Part Type Standard
Rate 29.38 N/mm
SKU G-21CS
Solid Length 3.3 mm
Suggested Max Deflection 4.57 mm
Suggested Max Load 0.22 N
Total Coils 11
Wire Diameter 0.28 mm