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A12-9CS - 0.25" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 8 coils and closed ends. This spring features an O.D. of 0.125", and an I.D. of 0.107".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name A12-9
Ends Closed
Finish Zinc
Free Length 0.25 in
Inside Diameter 0.107 in
Material Music Wire
Outside Diameter 0.125 in
Part Type Standard
Rate 1 lbs/in
SKU A12-9CS
Solid Length 0.08 in
Suggested Max Deflection 0.17 in
Suggested Max Load 0.17 lbf
Total Coils 8
Wire Diameter 0.009 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name A12-9
Ends Closed
Finish Zinc
Free Length 6.35 mm
Inside Diameter 2.72 mm
Material Music Wire
Outside Diameter 3.18 mm
Part Type Standard
Rate 0.18 N/mm
SKU A12-9CS
Solid Length 2.03 mm
Suggested Max Deflection 4.32 mm
Suggested Max Load 0.76 N
Total Coils 8
Wire Diameter 0.23 mm
The compression spring A12-9CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the A12-9 compression spring design exhibits exceptional tensile strength and resilience.

The A12-9 design is manufactured with a free length of 0.25", with an outer diameter of 0.125", an inner diameter of 0.107", and a total of 8 coils, expertly designed to deliver consistent compression characteristics including a rate of 1 lbs/in.

The A12-9CS 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 A12-9 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.