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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

ZZ4-23CS - 0.50 Inch Music Wire Extension Springs

Inventory:           
Estimated Lead Time

The ZZ4-23CS is a regular extension spring manufactured by Century Spring. This spring is made from high-quality Music Wire and has a natural finish. It has a wire diameter of 0.012 Inch and an outside diameter of 0.172 inches. The free length of the spring is 0.5 inches, and it has an initial tension of 0.03 Pound. The maximum deflection of the spring is 1.9 inches, and it can withstand a maximum load of 0.58 Pound Force. The ZZ4-23CS is a left-wound spring with full loop ends. This standard extension spring is suitable for a wide range of applications.

At Century Spring, we pride ourselves on offering fast shipping and maintaining a significant stock inventory. We understand the importance of timely delivery and keeping our customers' projects on track. Our products, including the ZZ4-23CS, are proudly made in the United States, ensuring the highest quality and craftsmanship. With our reliable shipping and ample supply, Century Spring is committed to providing our customers with the springs they need when they need them.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku ZZ4-23CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.012 in
F) Outside Diameter 0.172 in
G) Length 0.5 in
H) End Type Full Loop
I) End Position Random
J) Rate 0.29 lbs/in
K) Initial Tension 0.03 lb
L) Sugg Max Deflection 1.9 in
L) Sugg Max Load 0.58 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ4-23CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.3 mm
F) Outside Diameter 4.37 mm
G) Length 12.7 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.05 N/mm
K) Initial Tension 0.01 kg
L) Sugg Max Deflection 48.26 mm
L) Sugg Max Load 2.58 N
O) Finish None