This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the MW Components website.

We're sorry for the inconvenience.

ZZ4-45CS - 1.75 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The ZZ4-45CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and has a durable zinc finish. This spring has a wire diameter of 0.02 inches, an outer diameter of 0.125 inches, and a free length of 1.75 inches. It has an initial tension of 0.6 pound and a maximum deflection of 1.1 inches. With a maximum load capacity of 3.5 pound force, this spring is suitable for a variety of applications. The ZZ4-45CS features machine hook ends and a left wind direction, providing secure attachment and reliable performance.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery for your projects, which is why we strive to process and ship orders quickly. Additionally, all our products, including the ZZ4-45CS, are proudly made in the United States. We prioritize quality and craftsmanship in our manufacturing processes to ensure that our customers receive reliable and durable springs for their applications. With Century Spring, you can trust that your spring needs will be met efficiently and with top-notch products.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.6 lb
Length 1.75 in
Material Music Wire
Outside Diameter 0.125 in
Part Type Standard
Rate 2.6 lbs/in
SKU ZZ4-45CS
Sugg Max Deflection 1.1 in
Sugg Max Load 3.5 lbf
Wind Direction Left
Wire Diameter 0.02 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.27 kg
Length 44.45 mm
Material Music Wire
Outside Diameter 3.18 mm
Part Type Standard
Rate 0.46 N/mm
SKU ZZ4-45CS
Sugg Max Deflection 27.94 mm
Sugg Max Load 15.57 N
Wind Direction Left
Wire Diameter 0.51 mm