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12546CS - 9.50 Inch High Carbon Steel Extension Springs

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

The 12546CS is a regular extension spring manufactured by Century Spring. It is made from High Carbon steel and features a zinc finish. This spring has a free length of 9.5 inches and an initial tension of 18 pounds. With a maximum deflection of 4.7 inches and a maximum load capacity of 75 pounds force, it is suitable for various extension spring applications. The 12546CS has an outside diameter of 1 inch and a wire diameter of 0.135 inches. Its spring rate is 12 inches per pound. The ends of this spring are equipped with machine hooks, making it easy to install and secure.

At Century Spring, we pride ourselves on our fast shipping and extensive inventory. We understand the importance of timely delivery, and our efficient shipping ensures that you receive your springs as quickly as possible. Additionally, we maintain a significant stock inventory, allowing us to fulfill your order promptly. Rest assured that all our products, including the 12546CS, are proudly made in the United States. We prioritize quality and craftsmanship in our manufacturing process to provide you with reliable and durable springs for your projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 18 lb
Length 9.5 in
Material High Carbon Steel
Outside Diameter 1 in
Part Type Standard
Rate 12 lbs/in
SKU 12546CS
Sugg Max Deflection 4.7 in
Sugg Max Load 75 lbf
Wind Direction Left
Wire Diameter 0.135 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 8.16 kg
Length 241.3 mm
Material High Carbon Steel
Outside Diameter 25.4 mm
Part Type Standard
Rate 2.1 N/mm
SKU 12546CS
Sugg Max Deflection 119.38 mm
Sugg Max Load 333.6 N
Wind Direction Left
Wire Diameter 3.43 mm