This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the MW Components website.

We're sorry for the inconvenience.

585CS - 12 Inch Music Wire Extension Springs

The 585CS is a regular extension spring manufactured by Century Spring. This spring is made from high-quality Music Wire and has a durable zinc finish. It has a free length of 12 inches and an initial tension of 0.6 pounds. The 585CS has a maximum deflection of 8.6 inches and can withstand a maximum load of 3.5 pounds force. With an outside diameter of 0.125 inches and a wire diameter of 0.02 inches, this spring has a spring rate of 0.34 inches per pound. It features full loop ends, providing secure attachment points. The 585CS is a reliable extension spring suitable for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery for our customers' projects. That's why we ensure that our products, including the 585CS, are readily available and ready to ship. Additionally, all our springs are proudly made in the United States, guaranteeing exceptional quality and craftsmanship. Trust Century Spring for your spring needs, and experience our commitment to excellent service and reliable products.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.6 lb
Length 12 in
Material Music Wire
Outside Diameter 0.125 in
Part Type Standard
Rate 0.34 lbs/in
SKU 585CS
Sugg Max Deflection 8.6 in
Sugg Max Load 3.5 lbf
Wind Direction Left
Wire Diameter 0.02 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.27 kg
Length 304.8 mm
Material Music Wire
Outside Diameter 3.18 mm
Part Type Standard
Rate 0.06 N/mm
SKU 585CS
Sugg Max Deflection 218.44 mm
Sugg Max Load 15.57 N
Wind Direction Left
Wire Diameter 0.51 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $5.20
50 - 149 $4.94
150 - 299 $4.68
300 - 499 $4.42
500 - 749 $3.90
750 - 999 $3.38
1000+ Call for price