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B4-6CS - 0.34 Inch Music Wire Compression Springs

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Estimated Lead Time

The B4-6CS is a regular compression spring manufactured by Century Spring. It is made from high-quality Music Wire and has a sleek, natural finish. This spring has a wire diameter of 0.021 inches, an outer diameter of 0.156 inches, and a free length of 0.34 inches. It consists of 7.5 total coils and has a spring rate of 21 lbs/inch. With a maximum deflection of 0.17 Inch and a maximum load capacity of 3.4 Pound Force, this closed-end spring is perfect for various applications requiring reliable compression.

At Century Spring, we take pride in our efficient shipping and extensive inventory. We understand the importance of timely delivery, which is why we offer fast shipping options to ensure that you receive your springs promptly. Additionally, we maintain a significant stock inventory, including the B4-6CS, to meet your spring needs. As a company based in the United States, we are committed to producing high-quality products. When you choose Century Spring, you can trust that you are receiving top-notch springs made right here in the USA.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed
Finish None
Free Length 0.34 in
Inside Diameter 0.114 in
Material Music Wire
Outside Diameter 0.156 in
Part Type Standard
Rate 21 lbs/in
SKU B4-6CS
Solid Length 0.18 in
Suggested Max Deflection 0.17 in
Suggested Max Load 3.4 lbf
Total Coils 7.5
Wire Diameter 0.021 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed
Finish None
Free Length 8.64 mm
Inside Diameter 2.9 mm
Material Music Wire
Outside Diameter 3.96 mm
Part Type Standard
Rate 3.68 N/mm
SKU B4-6CS
Solid Length 4.57 mm
Suggested Max Deflection 4.32 mm
Suggested Max Load 15.12 N
Total Coils 7.5
Wire Diameter 0.53 mm