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A12-70CS - 1.38" Music Wire Compression Spring

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Compression spring manufactured from music wire with 12 coils and closed ends. This spring features an O.D. of 0.296", and an I.D. of 0.218".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name A12-70
Ends Closed
Finish Zinc
Free Length 1.38 in
Inside Diameter 0.218 in
Material Music Wire
Outside Diameter 0.296 in
Part Type Standard
Rate 20 lbs/in
SKU A12-70CS
Solid Length 0.51 in
Suggested Max Deflection 0.53 in
Suggested Max Load 10 lbf
Total Coils 12
Wire Diameter 0.039 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name A12-70
Ends Closed
Finish Zinc
Free Length 35.05 mm
Inside Diameter 5.54 mm
Material Music Wire
Outside Diameter 7.52 mm
Part Type Standard
Rate 3.5 N/mm
SKU A12-70CS
Solid Length 12.95 mm
Suggested Max Deflection 13.46 mm
Suggested Max Load 44.48 N
Total Coils 12
Wire Diameter 0.99 mm
The compression spring A12-70CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the A12-70 compression spring design exhibits exceptional tensile strength and resilience.

The A12-70 design is manufactured with a free length of 1.38", with an outer diameter of 0.296", an inner diameter of 0.218", and a total of 12 coils, expertly designed to deliver consistent compression characteristics including a rate of 20 lbs/in.

The A12-70CS 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 A12-70 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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