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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

ZZ2-31CS - 0.69 Inch 302/304 Stainless Steel Extension Springs

Inventory:           
Estimated Lead Time

The ZZ2-31CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a smooth, unfinished surface. This spring has a wire diameter of 0.025 inches, an outside diameter of 0.172 inches, and a free length of 0.69 inches. It has an initial tension of 0.7 Pound and a maximum deflection of 0.27 inches. With a maximum load of 3.3 Pound Force and a spring rate of 9.6 lbs/inch, the ZZ2-31CS is a reliable choice for various extension spring applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery for our customers' projects. That's why we ensure that our products, including the ZZ2-31CS, are readily available for shipment. Additionally, all of our springs are proudly made in the United States, guaranteeing quality and supporting domestic manufacturing. Count on Century Spring to provide you with the springs you need, quickly and reliably.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku ZZ2-31CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.025 in
F) Outside Diameter 0.172 in
G) Length 0.69 in
H) End Type Machine Hook
I) End Position Random
J) Rate 9.6 lbs/in
K) Initial Tension 0.7 lb
L) Sugg Max Deflection 0.27 in
L) Sugg Max Load 3.3 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ2-31CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.64 mm
F) Outside Diameter 4.37 mm
G) Length 17.53 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 1.68 N/mm
K) Initial Tension 0.32 kg
L) Sugg Max Deflection 6.86 mm
L) Sugg Max Load 14.68 N
O) Finish None