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A11-2CS - 1.38 Inch Spring Steel Extension Springs

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Estimated Lead Time

The A11-2CS is a regular extension spring manufactured by Century Spring. It is made from spring steel with a machine hook at each end. This spring has a free length of 1.38 inches and an outside diameter of 0.328 inches. It has an initial tension of 4 pounds and a maximum deflection of 0.39 inches. With a maximum load capacity of 15 pounds, it is suitable for various applications. The A11-2CS has a spring rate of 29 lbs/inch and is wound in a left direction.

Century Spring takes pride in offering fast shipping and maintaining a significant stock inventory. Our springs, including the A11-2CS, 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 None
Initial Tension 4 lb
Length 1.38 in
Material Spring Steel
Outside Diameter 0.328 in
Part Type Standard
Rate 29 lbs/in
SKU A11-2CS
Sugg Max Deflection 0.39 in
Sugg Max Load 15 lbf
Wire Diameter 0.052 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 1.81 kg
Length 35.05 mm
Material Spring Steel
Outside Diameter 8.33 mm
Part Type Standard
Rate 5.08 N/mm
SKU A11-2CS
Sugg Max Deflection 9.91 mm
Sugg Max Load 66.72 N
Wire Diameter 1.32 mm