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4010CS - 16.50 Inch Spring Steel Extension Springs

Inventory Status
Estimated Lead Time

The 4010CS is a regular extension spring manufactured by Century Spring. It features a machine hook on both ends and a zinc finish. This spring has a free length of 16.5 inches and an initial tension of 14 pounds. Made from spring steel, it has a maximum deflection of 7.1 inches and can handle a maximum load of 55 pounds. With an outside diameter of 0.75 inches and a wire diameter of 0.11 inches, the 4010CS has a spring rate of 5.8 inch-pounds. It is designed for standard measurement units and weighs 0.8006 pounds. The wind direction for this spring is left.

Century Spring takes pride in its fast shipping and extensive stock inventory. We understand the importance of timely delivery, and our products, including the 4010CS, are proudly made in the United States. With our commitment to quality and efficiency, we ensure that customers can rely on us for their spring needs. Whether you require regular extension springs or any other type, Century Spring is your trusted partner.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 14 lb
Length 16.5 in
Material Spring Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 5.8 lbs/in
SKU 4010CS
Sugg Max Deflection 7.1 in
Sugg Max Load 55 lbf
Wind Direction Left
Wire Diameter 0.11 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 6.35 kg
Length 419.1 mm
Material Spring Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 1.02 N/mm
SKU 4010CS
Sugg Max Deflection 180.34 mm
Sugg Max Load 244.64 N
Wind Direction Left
Wire Diameter 2.79 mm