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B3-43CS - 1.33 Inch Music Wire Compression Springs

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The B3-43CS is a regular compression spring manufactured by Century Spring. It is made from high-quality Music Wire and features a durable Black Oxide finish. This spring has a wire diameter of 0.027 inches, an outside diameter of 0.234 inches, and a free length of 1.33 inches. With a total of 19 coils, it offers a spring rate of 5.1 lbs/inch and a maximum deflection of 0.79 inches. Able to withstand a maximum load of 4 Pound Force, this closed-end spring is designed for reliable performance. The B3-43CS is a standard compression spring suitable for a wide range of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the urgency of your projects and strive to deliver your springs promptly. As a US-based manufacturer, all of our products, including the B3-43CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that you can quickly receive the high-quality springs you need.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed
Finish Black Oxide
Free Length 1.33 in
Inside Diameter 0.18 in
Material Music Wire
Outside Diameter 0.234 in
Part Type Standard
Rate 5.1 lbs/in
SKU B3-43CS
Solid Length 0.54 in
Suggested Max Deflection 0.79 in
Suggested Max Load 4 lbf
Total Coils 19
Wire Diameter 0.027 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed
Finish Black Oxide
Free Length 33.78 mm
Inside Diameter 4.57 mm
Material Music Wire
Outside Diameter 5.94 mm
Part Type Standard
Rate 576.22 N/mm
SKU B3-43CS
Solid Length 13.72 mm
Suggested Max Deflection 20.07 mm
Suggested Max Load 17.79 N
Total Coils 19
Wire Diameter 0.69 mm