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ZZ1-20CS - 0.44 Inch 302/304 Stainless Steel Extension Springs

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Estimated Lead Time

The ZZ1-20CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 stainless steel and has a natural finish. This spring has a wire diameter of 0.013 inches, an outside diameter of 0.125 inches, and a free length of 0.44 inches. It has an initial tension of 0.08 pound and a maximum deflection of 0.39 inches. The ZZ1-20CS has a spring rate of 1.5 lbs/inch and a maximum load of 0.67 pound force. It features machine hook ends and a left wind direction. This extension spring is suitable for various applications.

At Century Spring, we prioritize fast shipping and maintain a significant stock inventory. Our springs, including the ZZ1-20CS, 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 Machine Hook
Finish None
Initial Tension 0.08 lb
Length 0.44 in
Material 302/304 Stainless Steel
Outside Diameter 0.125 in
Part Type Standard
Rate 1.5 lbs/in
SKU ZZ1-20CS
Sugg Max Deflection 0.39 in
Sugg Max Load 0.67 lbf
Wire Diameter 0.013 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.04 kg
Length 11.18 mm
Material 302/304 Stainless Steel
Outside Diameter 3.18 mm
Part Type Standard
Rate 0.26 N/mm
SKU ZZ1-20CS
Sugg Max Deflection 9.91 mm
Sugg Max Load 2.98 N
Wire Diameter 0.33 mm