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B3-66CS - 0.97 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The B3-66CS is a regular extension spring manufactured by Century Spring. It is made from high-quality Music Wire material and has a clean, unfinished appearance. This spring has a free length of 0.97 inches and an initial tension of 2 pounds. With a maximum deflection of 0.56 inches and a maximum load capacity of 9.9 pounds, the B3-66CS is a reliable and durable extension spring. Its wire diameter is 0.037 inches, and it has an outer diameter of 0.25 inches. The spring rate is 15 lbs/inch, making it suitable for various applications.

At Century Spring, we prioritize fast shipping and maintain a significant stock inventory. Our springs, including the B3-66CS, 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 2 lb
Length 0.97 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 15 lbs/in
SKU B3-66CS
Sugg Max Deflection 0.56 in
Sugg Max Load 9.9 lbf
Wind Direction Left
Wire Diameter 0.037 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.91 kg
Length 24.64 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 2.63 N/mm
SKU B3-66CS
Sugg Max Deflection 14.22 mm
Sugg Max Load 44.04 N
Wind Direction Left
Wire Diameter 0.94 mm