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166-BCS - 1.88 Inch Music Wire Extension Springs

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The 166-BCS is a regular extension spring manufactured by Century Spring. It is made from Music Wire and has a zinc finish. This spring has a wire diameter of 0.016 inches, an outside diameter of 0.188 inches, and a free length of 1.88 inches. It has an initial tension of 0.09 Pound and a maximum deflection of 5.9 inches. The 166-BCS has a spring rate of 0.18 lbs/inch and a maximum load of 1.1 Pound Force. It features full loop ends for secure attachment. The 166-BCS is a reliable extension spring suitable for a variety of applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the 166-BCS, are proudly made in the United States. With our efficient shipping process and ample supply, Century Spring ensures that customers can quickly receive the high-quality springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.09 lb
Length 1.88 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 0.18 lbs/in
SKU 166-BCS
Sugg Max Deflection 5.9 in
Sugg Max Load 1.1 lbf
Wire Diameter 0.016 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.04 kg
Length 47.75 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 0.03 N/mm
SKU 166-BCS
Sugg Max Deflection 149.86 mm
Sugg Max Load 4.89 N
Wire Diameter 0.41 mm