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B-71CS - 0.38" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 5 coils and closed ends. This spring features an O.D. of 0.343", and an I.D. of 0.315".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B-71
Ends Closed
Finish Zinc
Free Length 0.38 in
Inside Diameter 0.315 in
Material Music Wire
Outside Diameter 0.343 in
Part Type Standard
Rate 0.52 lbs/in
SKU B-71CS
Solid Length 0.08 in
Suggested Max Deflection 0.29 in
Suggested Max Load 0.15 lbf
Total Coils 5
Wire Diameter 0.014 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B-71
Ends Closed
Finish Zinc
Free Length 9.65 mm
Inside Diameter 8 mm
Material Music Wire
Outside Diameter 8.71 mm
Part Type Standard
Rate 0.09 N/mm
SKU B-71CS
Solid Length 2.03 mm
Suggested Max Deflection 7.37 mm
Suggested Max Load 0.67 N
Total Coils 5
Wire Diameter 0.36 mm
The compression spring B-71CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the B-71 compression spring design exhibits exceptional tensile strength and resilience.

The B-71 design is manufactured with a free length of 0.38", with an outer diameter of 0.343", an inner diameter of 0.315", and a total of 5 coils, expertly designed to deliver consistent compression characteristics including a rate of 0.52 lbs/in.

The B-71CS compression spring is ideally suited for use in a wide range of mechanical assemblies, including but not limited to automotive suspension systems, industrial machinery, and electronic devices.

In summary, the compression spring B-71 design stands out for its superior material properties, thoughtful design, and versatility in application. It is a prime choice for engineers committed to excellence and innovation in their projects.