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E-12CS - Carbon Steel Long Length Extension Springs

The E-12CS is a long length extension spring manufactured by Century Spring. It is made from carbon steel and has a natural finish. This spring has a wire diameter of 0.035 inches, an outer diameter of 0.25 inches, and a length of 36 inches. It has an initial tension of 2 Pound and a spring rate of 0.211 inches per pound. The E-12CS has a maximum load capacity of 5.7 Pound Force. It is suitable for applications that require a long length extension spring.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we strive to ship our products as quickly as possible. With our significant stock inventory, we can ensure that our customers have access to the springs they need without unnecessary delays. Additionally, all our springs, including the E-12CS, are proudly made in the United States. We prioritize quality and craftsmanship in our manufacturing process to provide our customers with reliable and durable springs for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Finish None
Initial Tension
(Approx.)
2 lb
Length 36 in
Material Carbon Steel
Max Load
(Suggested)
5.7 lbf
Measurement Units Standard
Outside Diameter 0.25 in
Rate (Constant) 0.211 lbs
SKU E-12CS
Wire Diameter 0.035 in
Specs (in metric)
Label Value
Brand Century Spring
Finish None
Initial Tension
(Approx.)
0.91 kg
Length 914.4 mm
Material Carbon Steel
Max Load
(Suggested)
25.35 N
Measurement Units Standard
Outside Diameter 6.35 mm
Rate (Constant) 0.04 N/mm
SKU E-12CS
Wire Diameter 0.89 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 249 $13.18
250 - 499 $11.21
500 - 2499 $9.89
2500+ Call for price