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ZZ4-68CS - 1.75 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The ZZ4-68CS 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 free length of 1.75 inches and an outside diameter of 0.296 inches. It has an initial tension of 0.4 pounds and can handle a maximum load of 4.5 pounds force. With a wire diameter of 0.03 inches and a spring rate of 1.5 lbs/inch, the ZZ4-68CS is suitable for a variety of applications. Its left wind direction and machine hook ends make it easy to install and secure.

At Century Spring, we pride ourselves on our fast shipping and extensive inventory. We understand the importance of timely delivery, which is why we strive to ship our products as quickly as possible. With our significant stock, including the ZZ4-68CS, customers can trust that we have the springs they need readily available. Additionally, all of our springs are proudly made in the United States, ensuring exceptional quality and craftsmanship. Trust Century Spring for all your spring needs, and experience our commitment to customer satisfaction.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.4 lb
Length 1.75 in
Material Music Wire
Outside Diameter 0.296 in
Part Type Standard
Rate 1.5 lbs/in
SKU ZZ4-68CS
Sugg Max Deflection 2.6 in
Sugg Max Load 4.5 lbf
Wind Direction Left
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.18 kg
Length 44.45 mm
Material Music Wire
Outside Diameter 7.52 mm
Part Type Standard
Rate 0.26 N/mm
SKU ZZ4-68CS
Sugg Max Deflection 66.04 mm
Sugg Max Load 20.02 N
Wind Direction Left
Wire Diameter 0.76 mm