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412CS - 0.97 Inch High Carbon Steel Extension Springs

Inventory Status
Estimated Lead Time

The 412CS is a regular extension spring manufactured by Century Spring. It is made from High Carbon steel and has a zinc finish. This spring has a wire diameter of 0.047 Inch and an outside diameter of 0.343 inches. It has a free length of 0.97 Inch and an initial tension of 2.4 Pound. The 412CS has a maximum deflection of 0.33 Inch and can withstand a maximum load of 11 Pound Force. It features machine hooks on both ends and has a spring rate of 27 lbs/inch. This standard extension spring is suitable for various applications.

At Century Spring, we offer fast shipping and maintain a significant stock inventory. Our products, including the 412CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the 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 2.4 lb
Length 0.97 in
Material High Carbon Steel
Outside Diameter 0.343 in
Part Type Standard
Rate 27 lbs/in
SKU 412CS
Sugg Max Deflection 0.33 in
Sugg Max Load 11 lbf
Wind Direction Left
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.09 kg
Length 24.64 mm
Material High Carbon Steel
Outside Diameter 8.71 mm
Part Type Standard
Rate 4.73 N/mm
SKU 412CS
Sugg Max Deflection 8.38 mm
Sugg Max Load 48.93 N
Wind Direction Left
Wire Diameter 1.19 mm