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ZZ1-66CS - 0.50 Inch Spring Steel Extension Springs

Inventory Status
Estimated Lead Time

The ZZ1-66CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and has a zinc finish. This spring has a wire diameter of 0.037 inches, an outer diameter of 0.266 inches, and a free length of 0.5 inches. It has an initial tension of 1 Pound and a maximum deflection of 0.16 inches. The ZZ1-66CS has a spring rate of 35 lbs/inch and can withstand a maximum load of 7 Pound Force. It features machine hooks at both ends, providing secure attachment. This regular extension spring is suitable for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of quick turnaround times for our customers. With our significant supply of springs, including the ZZ1-66CS, we ensure that you can easily find and receive the springs you need for your projects. What's more, all our products are proudly made in the United States, ensuring high-quality craftsmanship and supporting local manufacturing. Trust Century Spring for all your spring needs.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1 lb
Length 0.5 in
Material Spring Steel
Outside Diameter 0.266 in
Part Type Standard
Rate 35 lbs/in
SKU ZZ1-66CS
Sugg Max Deflection 0.16 in
Sugg Max Load 7 lbf
Wind Direction Left
Wire Diameter 0.037 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.45 kg
Length 12.7 mm
Material Spring Steel
Outside Diameter 6.76 mm
Part Type Standard
Rate 6.13 N/mm
SKU ZZ1-66CS
Sugg Max Deflection 4.06 mm
Sugg Max Load 31.14 N
Wind Direction Left
Wire Diameter 0.94 mm