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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

ZZ1-29CS - 2.38 Inch Spring Steel Extension Springs

Inventory:           
Estimated Lead Time

The ZZ1-29CS is an extension spring from Century Spring. It features a machine hook on both ends, allowing for easy installation. Made from spring steel, this spring has a gold iridite finish for added durability. With a free length of 2.38 inches and an initial tension of 3 pounds, it provides reliable extension capabilities. The ZZ1-29CS has a maximum deflection of 0.91 inches and can handle a maximum load of 14 pound force. With a wire diameter of 0.054 inches and an outside diameter of 0.375 inches, it offers the ideal dimensions for your project. Its spring rate is 12 lbs/inch, providing the necessary strength and flexibility. This standard extension spring is suitable for various applications.

At Century Spring, we understand the importance of fast shipping and maintaining a significant stock inventory. As a result, we are able to quickly deliver our high-quality products, including the ZZ1-29CS, to our customers. We take pride in the fact that all our springs are made in the United States, ensuring excellent craftsmanship and reliability. Whether you need a single spring or a large quantity, Century Spring has you covered. Trust us to provide the springs you need for your projects, backed by our efficient shipping and ample supply.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku ZZ1-29CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 0.054 in
F) Outside Diameter 0.375 in
G) Length 2.38 in
H) End Type Machine Hook
I) End Position Random
J) Rate 12 lbs/in
K) Initial Tension 3 lb
L) Sugg Max Deflection 0.91 in
L) Sugg Max Load 14 lbf
O) Finish Gold Iridite
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ1-29CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 1.37 mm
F) Outside Diameter 9.53 mm
G) Length 60.45 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 2.1 N/mm
K) Initial Tension 1.36 kg
L) Sugg Max Deflection 23.11 mm
L) Sugg Max Load 62.27 N
O) Finish Gold Iridite