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Century Spring

B12-48CS - 0.63" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 4 coils and closed ends. This spring features an O.D. of 0.375", and an I.D. of 0.347".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B12-48
Ends Closed
Finish None
Free Length 0.63 in
Inside Diameter 0.347 in
Material Music Wire
Outside Diameter 0.375 in
Part Type Standard
Rate 0.59 lbs/in
SKU B12-48CS
Solid Length 0.07 in
Suggested Max Deflection 0.56 in
Suggested Max Load 0.33 lbf
Total Coils 4
Wire Diameter 0.014 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B12-48
Ends Closed
Finish None
Free Length 16 mm
Inside Diameter 8.81 mm
Material Music Wire
Outside Diameter 9.53 mm
Part Type Standard
Rate 0.1 N/mm
SKU B12-48CS
Solid Length 1.78 mm
Suggested Max Deflection 14.22 mm
Suggested Max Load 1.47 N
Total Coils 4
Wire Diameter 0.36 mm
The compression spring B12-48CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the B12-48 compression spring design exhibits exceptional tensile strength and resilience.

The B12-48 design is manufactured with a free length of 0.63", with an outer diameter of 0.375", an inner diameter of 0.347", and a total of 4 coils, expertly designed to deliver consistent compression characteristics including a rate of 0.59 lbs/in.

The B12-48CS 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 B12-48 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.

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