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429CS - 3.41 Inch Spring Steel Extension Springs

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

The 429CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and has a zinc finish. This spring has a wire diameter of 0.072 inches, an outer diameter of 0.593 inches, and a free length of 3.41 inches. It has an initial tension of 4 pounds and a maximum deflection of 2.2 inches. The 429CS has a spring rate of 7.6 inches per pound and a maximum load of 20 pound force. It features machine hook ends and is designed for various extension spring applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of quick delivery and having the right products on hand. That's why we ensure that our springs, including the 429CS, are readily available to meet your needs. As an American manufacturer, we take pride in producing high-quality springs right here in the United States. With Century Spring, you can trust that you'll receive your springs promptly and have confidence in their quality and performance.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 4 lb
Length 3.41 in
Material Spring Steel
Outside Diameter 0.593 in
Part Type Standard
Rate 7.6 lbs/in
SKU 429CS
Sugg Max Deflection 2.2 in
Sugg Max Load 20 lbf
Wind Direction Left
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.81 kg
Length 86.61 mm
Material Spring Steel
Outside Diameter 15.06 mm
Part Type Standard
Rate 1.33 N/mm
SKU 429CS
Sugg Max Deflection 55.88 mm
Sugg Max Load 88.96 N
Wind Direction Left
Wire Diameter 1.83 mm