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12352CS - 3.91 Inch Spring Steel Extension Springs

The 12352CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and features a zinc finish for added durability. This spring has a free length of 3.91 inches and an initial tension of 3 pounds. With a maximum deflection of 3 inches and a maximum load capacity of 15 pound force, the 12352CS is a reliable and versatile extension spring. It has a 0.5-inch outside diameter and a wire diameter of 0.061 inches. The 12352CS is a left-wound spring with full loop ends.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and our efficient shipping ensures that you receive your springs promptly. With our significant stock, including the 12352CS, we strive to meet your spring needs without delay. As a company based in the United States, we prioritize the quality and craftsmanship of our products. When you choose Century Spring, you can trust that you are receiving reliable and high-quality springs made in the USA.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 3 lb
Length 3.91 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 4.3 lbs/in
SKU 12352CS
Sugg Max Deflection 3 in
Sugg Max Load 15 lbf
Wind Direction Left
Wire Diameter 0.061 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 1.36 kg
Length 99.31 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.75 N/mm
SKU 12352CS
Sugg Max Deflection 76.2 mm
Sugg Max Load 66.72 N
Wind Direction Left
Wire Diameter 1.55 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $3.85
50 - 149 $3.66
150 - 299 $3.47
300 - 499 $3.28
500 - 749 $2.89
750 - 999 $2.51
1000+ Call for price