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4008CS - 15.80 Inch Spring Steel Extension Springs

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

The 4008CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and a zinc finish. This spring has a free length of 15.8 inches and an initial tension of 34 pounds. Made from spring steel, it has a maximum deflection of 7.2 inches and a maximum load of 136 pound force. With an outside diameter of 1.375 inches and a wire diameter of 0.187 inches, the 4008CS has a spring rate of 14 inches per pound. This standard extension spring is suitable for a wide range of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the urgency of your projects and strive to deliver our products promptly. With our headquarters in the United States, you can trust that our springs are made with exceptional quality and craftsmanship. Whether you need springs for industrial, automotive, or any other applications, Century Spring has you covered.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 34 lb
Length 15.8 in
Material Spring Steel
Outside Diameter 1.375 in
Part Type Standard
Rate 14 lbs/in
SKU 4008CS
Sugg Max Deflection 7.2 in
Sugg Max Load 136 lbf
Wind Direction Left
Wire Diameter 0.187 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 15.42 kg
Length 401.32 mm
Material Spring Steel
Outside Diameter 34.93 mm
Part Type Standard
Rate 2.45 N/mm
SKU 4008CS
Sugg Max Deflection 182.88 mm
Sugg Max Load 604.93 N
Wind Direction Left
Wire Diameter 4.75 mm