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100 YRS

The Countdown to 100 Years of Century Spring!

Since 1927, Century Spring Corp has been the original industry-leading spring manufacturer for both stock and custom springs. Read about 100 Years of Century Spring here.

167 DAYS

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

Inventory:           
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
A) Brand Century Spring
B) Sku ZZ3-7CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.016 in
F) Outside Diameter 0.14 in
G) Length 0.63 in
H) End Type Full Loop
I) End Position Random
J) Rate 1.8 lbs/in
K) Initial Tension 0.2 lb
L) Sugg Max Deflection 0.52 in
L) Sugg Max Load 1.1 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ3-7CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.41 mm
F) Outside Diameter 3.56 mm
G) Length 16 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.32 N/mm
K) Initial Tension 0.09 kg
L) Sugg Max Deflection 13.21 mm
L) Sugg Max Load 4.89 N
O) Finish None