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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

ZZ1-45CS - 0.63 Inch Music Wire Extension Springs

Inventory:           
Estimated Lead Time

The ZZ1-45CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and has a sleek, natural finish. This spring has a wire diameter of 0.014 inch and an outer diameter of 0.188 inches, with a free length of 0.63 inches. It has an initial tension of 0.05 pound and a maximum deflection of 1.2 inches. The ZZ1-45CS has a spring rate of 0.68 lbs/inch and can withstand a maximum load of 0.84 pound force. It features full loop ends, making it easy to install in various applications. With its reliable performance and precise measurements, the ZZ1-45CS is an ideal choice for your extension spring needs.

At Century Spring, we understand the importance of fast shipping and maintaining a wide stock inventory. We take pride in manufacturing all our products, including the ZZ1-45CS, right here in the United States. With our efficient shipping process and ample supply, we ensure that our customers receive their springs promptly, allowing them to complete their projects on time. Trust Century Spring for all your spring needs, and experience our commitment to quality and customer satisfaction.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku ZZ1-45CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.014 in
F) Outside Diameter 0.188 in
G) Length 0.63 in
H) End Type Full Loop
I) End Position Random
J) Rate 0.68 lbs/in
K) Initial Tension 0.05 lb
L) Sugg Max Deflection 1.2 in
L) Sugg Max Load 0.84 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku ZZ1-45CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.36 mm
F) Outside Diameter 4.78 mm
G) Length 16 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.12 N/mm
K) Initial Tension 0.02 kg
L) Sugg Max Deflection 30.48 mm
L) Sugg Max Load 3.74 N
O) Finish None