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12385CS - 7.75 Inch Spring Steel Extension Springs

The 12385CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and features a zinc finish. This spring has a free length of 7.75 inches and an initial tension of 5 pounds. With a maximum deflection of 5.1 inches and a maximum load of 24 pounds force, the 12385CS is designed to provide reliable performance. It has an outside diameter of 0.578 inches and a wire diameter of 0.075 inches. The spring rate is 3.8 inches per pound. The 12385CS is equipped with machine hook ends, making it easy to install and secure.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we strive to ship your orders as quickly as possible. Additionally, our significant stock inventory ensures that we have the springs you need readily available. We take pride in manufacturing our products in the United States, providing you with high-quality springs that meet industry standards. With Century Spring, you can trust that you will receive reliable products quickly for your projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 5 lb
Length 7.75 in
Material Spring Steel
Outside Diameter 0.578 in
Part Type Standard
Rate 3.8 lbs/in
SKU 12385CS
Sugg Max Deflection 5.1 in
Sugg Max Load 24 lbf
Wind Direction Left
Wire Diameter 0.075 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 2.27 kg
Length 196.85 mm
Material Spring Steel
Outside Diameter 14.68 mm
Part Type Standard
Rate 0.67 N/mm
SKU 12385CS
Sugg Max Deflection 129.54 mm
Sugg Max Load 106.75 N
Wind Direction Left
Wire Diameter 1.91 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $5.83
50 - 149 $5.54
150 - 299 $5.25
300 - 499 $4.96
500 - 749 $4.38
750 - 999 $3.79
1000+ Call for price