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ZZ4-46CS - 1 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The ZZ4-46CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and features a durable zinc finish. This spring has a wire diameter of 0.018 inch and an outer diameter of 0.125 inches. With a free length of 1 inch and an initial tension of 0.4 pound, it provides reliable performance and flexibility. The ZZ4-46CS has a maximum deflection of 0.75 inch and a maximum load capacity of 2.5 pound force. Its left wind direction and full loop ends make it easy to install and secure. This standard extension spring is ideal for a wide range of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the urgency of your projects, which is why we ensure prompt delivery of our products, including the ZZ4-46CS. With our significant stock, you can trust that we have the springs you need readily available. What sets us apart is our commitment to manufacturing our springs in the United States, guaranteeing exceptional quality and supporting local businesses. Choose Century Spring for reliable shipping, ample supply, and high-quality American-made springs.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.4 lb
Length 1 in
Material Music Wire
Outside Diameter 0.125 in
Part Type Standard
Rate 2.9 lbs/in
SKU ZZ4-46CS
Sugg Max Deflection 0.75 in
Sugg Max Load 2.5 lbf
Wind Direction Left
Wire Diameter 0.018 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.18 kg
Length 25.4 mm
Material Music Wire
Outside Diameter 3.18 mm
Part Type Standard
Rate 0.51 N/mm
SKU ZZ4-46CS
Sugg Max Deflection 19.05 mm
Sugg Max Load 11.12 N
Wind Direction Left
Wire Diameter 0.46 mm