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ZZ1-58CS - 1.50 Inch Spring Steel Extension Springs

Inventory Status
Estimated Lead Time

The ZZ1-58CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and features a zinc finish. This spring has a free length of 1.5 inches and an initial tension of 7 pounds. It has a maximum deflection of 0.35 inches and can handle a maximum load of 29 pounds force. The ZZ1-58CS has an outer diameter of 0.5 inches and a wire diameter of 0.076 inches. With a spring rate of 63 lbs/inch, it is designed for various applications requiring extension springs.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. Our products, including the ZZ1-58CS, are proudly made in the United States. With our efficient shipping process and ample supply, Century Spring ensures that customers can quickly receive the high-quality springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 7 lb
Length 1.5 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 63 lbs/in
SKU ZZ1-58CS
Sugg Max Deflection 0.35 in
Sugg Max Load 29 lbf
Wind Direction Left
Wire Diameter 0.076 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 3.17 kg
Length 38.1 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 11.03 N/mm
SKU ZZ1-58CS
Sugg Max Deflection 8.89 mm
Sugg Max Load 128.99 N
Wind Direction Left
Wire Diameter 1.93 mm