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B3-3CS - 0.25 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The B3-3CS is a regular extension spring manufactured by Century Spring. It is made from Music Wire and has a natural finish. This spring has a wire diameter of 0.016 inches, an outside diameter of 0.094 inches, and a free length of 0.25 inches. It has an initial tension of 0.4 Pound and a maximum deflection of 0.1 inches. The B3-3CS has a spring rate of 20 lbs/inch and a maximum load of 2.4 Pound Force. It features machine hook ends and is suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. Our products, including the B3-3CS, are proudly made in the United States. With our efficient shipping process and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.4 lb
Length 0.25 in
Material Music Wire
Outside Diameter 0.094 in
Part Type Standard
Rate 20 lbs/in
SKU B3-3CS
Sugg Max Deflection 0.1 in
Sugg Max Load 2.4 lbf
Wind Direction Left
Wire Diameter 0.016 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.18 kg
Length 6.35 mm
Material Music Wire
Outside Diameter 2.39 mm
Part Type Standard
Rate 3.5 N/mm
SKU B3-3CS
Sugg Max Deflection 2.54 mm
Sugg Max Load 10.68 N
Wind Direction Left
Wire Diameter 0.41 mm