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ZZ3-7CS - 0.63 Inch 302/304 Stainless Steel Extension Springs

Inventory Status
Estimated Lead Time

The ZZ3-7CS 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 0.016 inches, an outside diameter of 0.14 inches, and a free length of 0.63 inches. It has an initial tension of 0.2 Pound and a maximum deflection of 0.52 inches. The ZZ3-7CS has a spring rate of 1.8 lbs/inch and a maximum load of 1.1 Pound Force. It is a full-loop spring, meaning both ends are formed into full loops. The ZZ3-7CS is a standard extension spring suitable for a variety of applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the ZZ3-7CS, are proudly made in the United States. With our efficient 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 Full Loop
Finish None
Initial Tension 0.2 lb
Length 0.63 in
Material 302/304 Stainless Steel
Outside Diameter 0.14 in
Part Type Standard
Rate 1.8 lbs/in
SKU ZZ3-7CS
Sugg Max Deflection 0.52 in
Sugg Max Load 1.1 lbf
Wind Direction Left
Wire Diameter 0.016 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.09 kg
Length 16 mm
Material 302/304 Stainless Steel
Outside Diameter 3.56 mm
Part Type Standard
Rate 0.32 N/mm
SKU ZZ3-7CS
Sugg Max Deflection 13.21 mm
Sugg Max Load 4.89 N
Wind Direction Left
Wire Diameter 0.41 mm