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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

ZZ2-12CS - 0.38 Inch Music Wire Extension Springs

Inventory:           
Estimated Lead Time

The ZZ2-12CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and features a durable zinc finish. This spring has a wire diameter of 0.013 inch and an outside diameter of 0.156 inches. Its free length measures 0.38 inches, and it has an initial tension of 0.06 pound. The ZZ2-12CS can handle a maximum deflection of 0.65 inch and has a maximum load capacity of 0.82 pound force. With a spring rate of 1.2 lbs/inch, this extension spring provides reliable performance for a variety of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we ensure that our products, including the ZZ2-12CS, are readily available for immediate shipment. Additionally, our springs are proudly made in the United States, guaranteeing superior quality and craftsmanship. Whether you have a small DIY project or a large-scale industrial application, Century Spring has you covered with our efficient shipping and commitment to American manufacturing excellence.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku ZZ2-12CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.013 in
F) Outside Diameter 0.156 in
G) Length 0.38 in
H) End Type Full Loop
I) End Position Random
J) Rate 1.2 lbs/in
K) Initial Tension 0.06 lb
L) Sugg Max Deflection 0.65 in
L) Sugg Max Load 0.82 lbf
O) Finish Zinc
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ2-12CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.33 mm
F) Outside Diameter 3.96 mm
G) Length 9.65 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.21 N/mm
K) Initial Tension 0.03 kg
L) Sugg Max Deflection 16.51 mm
L) Sugg Max Load 3.65 N
O) Finish Zinc