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576CS - 3.16 Inch Spring Steel Extension Springs

The 576CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and features a zinc finish for added durability. With a free length of 3.16 inches and a wire diameter of 0.0625 inches, this spring is designed to provide reliable tension and support. It has an initial tension of 6 pounds and a maximum load of 24 pound force, making it suitable for a variety of applications. The 576CS has an outside diameter of 0.375 inches and a maximum deflection of 0.96 inches. Its spring rate is 18 inches per pound, ensuring consistent performance. This left-wound spring features side hook ends, providing easy installation and secure attachment.

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 process ensures that you receive your springs promptly. Additionally, all of our products, including the 576CS, are proudly made in the United States. We prioritize quality and craftsmanship in every spring we produce, giving you peace of mind that you are purchasing a reliable and American-made product. With Century Spring, you can count on exceptional service, quick delivery, and high-quality springs for all your project needs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Side Hook
Finish Zinc
Initial Tension 6 lb
Length 3.16 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 18 lbs/in
SKU 576CS
Sugg Max Deflection 0.96 in
Sugg Max Load 24 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Side Hook
Finish Zinc
Initial Tension 2.72 kg
Length 80.26 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 3.15 N/mm
SKU 576CS
Sugg Max Deflection 24.38 mm
Sugg Max Load 106.75 N
Wind Direction Left
Wire Diameter 1.59 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $3.78
50 - 149 $3.60
150 - 299 $3.41
300 - 499 $3.22
500 - 749 $2.84
750 - 999 $2.46
1000+ Call for price