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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

ZZ3-70CS - 2.25 Inch Music Wire Extension Springs

Inventory:           
Estimated Lead Time

The ZZ3-70CS is a regular extension spring manufactured by Century Spring. It is made from high-quality Music Wire and has a plain finish. This spring has a wire diameter of 0.031 inches, an outer diameter of 0.188 inches, and a free length of 2.25 inches. It has an initial tension of 1 Pound and a maximum deflection of 1.2 inches. The ZZ3-70CS has a spring rate of 5.6 lbs/inch and a maximum load capacity of 8.2 Pound Force. It features machine hooks on both ends, providing secure attachment. This regular extension spring is suitable for various applications, offering reliable tension and flexibility.

At Century Spring, we prioritize fast shipping and maintain a significant stock inventory. We understand the importance of timely delivery, and our efficient shipping process ensures that you receive your springs promptly. Additionally, all our products, including the ZZ3-70CS, are proudly made in the United States. We take pride in our commitment to manufacturing quality springs locally, ensuring consistent performance and durability. With Century Spring, you can rely on our extensive inventory and efficient shipping to meet your spring needs efficiently.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku ZZ3-70CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.031 in
F) Outside Diameter 0.188 in
G) Length 2.25 in
H) End Type Machine Hook
I) End Position Random
J) Rate 5.6 lbs/in
K) Initial Tension 1 lb
L) Sugg Max Deflection 1.2 in
L) Sugg Max Load 8.2 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ3-70CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.79 mm
F) Outside Diameter 4.78 mm
G) Length 57.15 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 0.98 N/mm
K) Initial Tension 0.45 kg
L) Sugg Max Deflection 30.48 mm
L) Sugg Max Load 36.47 N
O) Finish None