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100 YRS
198 DAYS

ZZ4-31CS - 0.63 Inch Music Wire Extension Springs

Inventory:           
Estimated Lead Time

The ZZ4-31CS is an extension spring manufactured by Century Spring. It is made from high-quality music wire and has a sleek, unfinished appearance. This spring has a wire diameter of 0.026 inch and an outside diameter of 0.266 inches. With a free length of 0.63 inches, it provides a maximum deflection of 0.34 inches. The ZZ4-31CS has an initial tension of 0.3 pound, a maximum load capacity of 3.3 pound force, and a spring rate of 8.7 lbs/inch. It features machine hooks at both ends, ensuring secure attachment. This regular extension spring is suitable for various applications and is proudly offered by Century Spring.

At Century Spring, we understand the importance of fast shipping and a wide inventory selection. When you choose our products, including the ZZ4-31CS, you can expect quick delivery and efficient service. We also take pride in manufacturing our springs right here in the United States. With our extensive stock and reliable shipping, Century Spring is committed to providing our customers with the springs they need for their projects.

Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku ZZ4-31CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.026 in
F) Outside Diameter 0.266 in
G) Length 0.63 in
H) End Type Machine Hook
I) End Position Random
J) Rate 8.7 lbs/in
K) Initial Tension 0.3 lb
L) Sugg Max Deflection 0.34 in
L) Sugg Max Load 3.3 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ4-31CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.66 mm
F) Outside Diameter 6.76 mm
G) Length 16 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 1.52 N/mm
K) Initial Tension 0.14 kg
L) Sugg Max Deflection 8.64 mm
L) Sugg Max Load 14.68 N
O) Finish None