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12309CS - 2.09" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 15 coils and closed & ground ends. This spring features an O.D. of 0.546", and an I.D. of 0.354".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12309
Ends Closed & Ground
Finish Zinc
Free Length 2.09 in
Inside Diameter 0.354 in
Material Spring Steel
Outside Diameter 0.546 in
Part Type Standard
Rate 103 lbs/in
SKU 12309CS
Solid Length 1.44 in
Suggested Max Deflection 0.49 in
Suggested Max Load 50 lbf
Total Coils 15
Wire Diameter 0.096 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12309
Ends Closed & Ground
Finish Zinc
Free Length 53.09 mm
Inside Diameter 8.99 mm
Material Spring Steel
Outside Diameter 13.87 mm
Part Type Standard
Rate 18.04 N/mm
SKU 12309CS
Solid Length 36.58 mm
Suggested Max Deflection 12.45 mm
Suggested Max Load 222.4 N
Total Coils 15
Wire Diameter 2.44 mm
The compression spring 12309CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 12309 compression spring design exhibits exceptional tensile strength and resilience.

The 12309 design is manufactured with a free length of 2.09", with an outer diameter of 0.546", an inner diameter of 0.354", and a total of 15 coils, expertly designed to deliver consistent compression characteristics including a rate of 103 lbs/in.

The 12309CS 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 12309 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.