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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

ZZ1-12CS - 1.69 Inch 302/304 Stainless Steel Extension Springs

Inventory:           
Estimated Lead Time

The ZZ1-12CS is a regular extension spring manufactured by Century Spring. This spring is made from 302/304 Stainless Steel and has a wire diameter of 0.021 inches. It has an outside diameter of 0.234 Inch and a free length of 1.69 inches. The ZZ1-12CS has an initial tension of 0.2 Pound and a maximum load of 1.4 Pound Force. It is a left-wound spring with full-loop ends. This regular extension spring offers a spring rate of 0.41 lbs/inch and a maximum deflection of 3.1 inches. It is suitable for various applications that require reliable extension and tension.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and that's why we ensure that our customers receive their springs promptly. With our significant stock inventory, including the ZZ1-12CS, we can meet the demands of various projects. Additionally, all our springs are proudly made in the United States, guaranteeing quality craftsmanship and supporting local manufacturing. Trust Century Spring for your spring needs, and experience our efficient shipping and reliable supply.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku ZZ1-12CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.021 in
F) Outside Diameter 0.234 in
G) Length 1.69 in
H) End Type Full Loop
I) End Position Random
J) Rate 0.41 lbs/in
K) Initial Tension 0.2 lb
L) Sugg Max Deflection 3.1 in
L) Sugg Max Load 1.4 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ1-12CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.53 mm
F) Outside Diameter 5.94 mm
G) Length 42.93 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.07 N/mm
K) Initial Tension 0.09 kg
L) Sugg Max Deflection 78.74 mm
L) Sugg Max Load 6.23 N
O) Finish None