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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

ZZ4-35CS - 1.50 Inch Spring Steel Extension Springs

Inventory:           
Estimated Lead Time

The ZZ4-35CS is a regular extension spring manufactured by Century Spring. This spring is made from spring steel and has a machine hook on both ends. It has a free length of 1.5 inches and an initial tension of 1 pound. The ZZ4-35CS has an outside diameter of 0.359 inches and a wire diameter of 0.041 inches. It has a maximum deflection of 1 inch and a maximum load of 6.9 pounds force. With a spring rate of 5.6 lbs/inch, this extension spring is ideal for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. Our springs, including the ZZ4-35CS, are made in the United States. With our efficient shipping process and ample supply, we ensure that our customers can quickly receive the springs they need for their projects. Trust Century Spring for reliable products and prompt delivery.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku ZZ4-35CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 0.041 in
F) Outside Diameter 0.359 in
G) Length 1.5 in
H) End Type Machine Hook
I) End Position Random
J) Rate 5.6 lbs/in
K) Initial Tension 1 lb
L) Sugg Max Deflection 1 in
L) Sugg Max Load 6.9 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ4-35CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 1.04 mm
F) Outside Diameter 9.12 mm
G) Length 38.1 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 0.98 N/mm
K) Initial Tension 0.45 kg
L) Sugg Max Deflection 25.4 mm
L) Sugg Max Load 30.69 N
O) Finish None