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80720CS - 3.50 Inch Music Wire Extension Springs

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

The 80720CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and has a natural finish. This spring has a wire diameter of 0.0625 inches, an outside diameter of 0.5 inches, and a free length of 3.5 inches. It has an initial tension of 2 pounds and a maximum deflection of 2.9 inches. The 80720CS has a spring rate of 6.7 lbs/inch and a maximum load capacity of 21 pound force. It features full loop ends and is suitable for various extension spring applications.

At Century Spring, we understand the importance of fast shipping and maintaining a significant stock inventory. We take pride in producing our springs in the United States, ensuring high-quality and reliable products. With our efficient shipping process and ample supply, we strive to provide our customers with the springs they need, when they need them. Trust Century Spring for all your spring requirements.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 2 lb
Length 3.5 in
Material Music Wire
Outside Diameter 0.5 in
Part Type Standard
Rate 6.7 lbs/in
SKU 80720CS
Sugg Max Deflection 2.9 in
Sugg Max Load 21 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.91 kg
Length 88.9 mm
Material Music Wire
Outside Diameter 12.7 mm
Part Type Standard
Rate 1.17 N/mm
SKU 80720CS
Sugg Max Deflection 73.66 mm
Sugg Max Load 93.41 N
Wind Direction Left
Wire Diameter 1.59 mm