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B3-13CS - 1 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The B3-13CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and has a durable zinc finish. This spring has a wire diameter of 0.019 inches and an outer diameter of 0.188 inches. Its free length measures 1 inches, and it has an initial tension of 0.2 pounds. The B3-13CS is capable of a maximum deflection of 1.9 inches and can handle a maximum load of 1.9 pounds force. It features full loop ends and a spring rate of 0.91 lbs/inch. This extension spring is designed to provide reliable performance for a variety of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we strive to quickly process and ship orders. Additionally, our substantial stock ensures that we have the springs you need readily available. Furthermore, we are proud to say that all our products, including the B3-13CS, are manufactured right here in the United States. When you choose Century Spring, you can trust in our commitment to quality, efficiency, and American craftsmanship.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.2 lb
Length 1 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 0.91 lbs/in
SKU B3-13CS
Sugg Max Deflection 1.9 in
Sugg Max Load 1.9 lbf
Wind Direction Left
Wire Diameter 0.019 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.09 kg
Length 25.4 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 0.16 N/mm
SKU B3-13CS
Sugg Max Deflection 48.26 mm
Sugg Max Load 8.45 N
Wind Direction Left
Wire Diameter 0.48 mm