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E-11CS - Carbon Steel Long Length Extension Springs

The E-11CS is an extension spring manufactured by Century Spring. It is made from carbon steel and has a natural finish. This spring has a wire diameter of 0.028 inches, an outside diameter of 0.25 inches, and a length of 36 inches. It has an initial tension of 1 Pound and a maximum load of 3.1 Pound Force. The E-11CS is part of our long-length extension spring family, designed for applications that require a longer extension.

At Century Spring, we pride ourselves on our fast shipping and extensive inventory. We understand the importance of getting the right parts quickly, which is why we ensure prompt delivery. Additionally, all of our springs, including the E-11CS, are proudly manufactured in the United States. With Century Spring, you can rely on quality products, efficient shipping, and the convenience of a wide selection.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Finish None
Initial Tension
(Approx.)
1 lb
Length 36 in
Material Carbon Steel
Max Load
(Suggested)
3.1 lbf
Measurement Units Standard
Outside Diameter 0.25 in
Rate (Constant) 0.063 lbs
SKU E-11CS
Wire Diameter 0.028 in
Specs (in metric)
Label Value
Brand Century Spring
Finish None
Initial Tension
(Approx.)
0.45 kg
Length 914.4 mm
Material Carbon Steel
Max Load
(Suggested)
13.79 N
Measurement Units Standard
Outside Diameter 6.35 mm
Rate (Constant) 0.01 N/mm
SKU E-11CS
Wire Diameter 0.71 mm
Inventory Status
Low Stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 249 $13.64
250 - 499 $11.60
500 - 2499 $10.23
2500+ Call for price