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ZZ4-3CS - 1.50 Inch Spring Steel Extension Springs

Inventory Status
Estimated Lead Time

The ZZ4-3CS 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 outside diameter of 0.312 inches, and a free length of 1.5 inches. It has an initial tension of 1.1 Pound and a maximum deflection of 0.98 inches. The ZZ4-3CS has a spring rate of 5 lbs/inch and a maximum load of 5.8 Pound Force. It features machine hook ends and is designed for various extension spring applications.

At Century Spring, we take pride in our fast shipping and extensive inventory. We understand the importance of getting your springs quickly, which is why we offer efficient shipping options. Additionally, we maintain a significant stock of springs, including the ZZ4-3CS, ensuring that you can find the right spring for your project. All of our springs are proudly made in the United States, guaranteeing high-quality craftsmanship. With Century Spring, you can rely on our reliable shipping and ample supply to meet your spring needs promptly.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.1 lb
Length 1.5 in
Material Spring Steel
Outside Diameter 0.312 in
Part Type Standard
Rate 5 lbs/in
SKU ZZ4-3CS
Sugg Max Deflection 0.98 in
Sugg Max Load 5.8 lbf
Wind Direction Left
Wire Diameter 0.037 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.5 kg
Length 38.1 mm
Material Spring Steel
Outside Diameter 7.92 mm
Part Type Standard
Rate 0.88 N/mm
SKU ZZ4-3CS
Sugg Max Deflection 24.89 mm
Sugg Max Load 25.8 N
Wind Direction Left
Wire Diameter 0.94 mm