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725CS - 12 Inch High Carbon Steel Extension Springs

The 725CS is a regular extension spring manufactured by Century Spring. It is made from High Carbon steel and has a zinc finish. This spring has a wire diameter of 0.162 inches, an outside diameter of 1.188 inches, and a free length of 12 inches. It has an initial tension of 26 Pound and a maximum deflection of 5.5 inches. The 725CS has a spring rate of 15 inches per pound and a maximum load of 107 Pound Force. It features machine hook ends and is suitable for a variety of applications.

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 offer efficient shipping options for our customers. Additionally, our significant stock inventory ensures that we have the 725CS and other springs readily available for immediate shipment. As an American company, we are proud to manufacture our springs in the United States, ensuring exceptional quality and supporting local businesses. With Century Spring, you can count on fast shipping, ample supply, and American-made products for your spring needs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 26 lb
Length 12 in
Material High Carbon Steel
Outside Diameter 1.188 in
Part Type Standard
Rate 15 lbs/in
SKU 725CS
Sugg Max Deflection 5.5 in
Sugg Max Load 107 lbf
Wind Direction Left
Wire Diameter 0.162 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 11.79 kg
Length 304.8 mm
Material High Carbon Steel
Outside Diameter 30.18 mm
Part Type Standard
Rate 2.63 N/mm
SKU 725CS
Sugg Max Deflection 139.7 mm
Sugg Max Load 475.94 N
Wind Direction Left
Wire Diameter 4.11 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $24.39
50 - 149 $23.17
150 - 299 $21.95
300 - 499 $20.73
500 - 749 $18.29
750 - 999 $15.85
1000 - 1499 $14.63
1500+ Call for price