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12725 - 4.3 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 11 coils and Closed ends. This spring features an O.D. of 1.625 Inch, and an I.D. of 1.443 Inch.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12725
Ends Closed
Finish None
Free Length 4.3 in
Inside Diameter 1.443 in
Material Spring Steel
Outside Diameter 1.625 in
Part Type Standard
Rate 3 lbs/in
SKU 12725CS
Solid Length 1.09 in
Suggested Max Deflection 3.2 in
Suggested Max Load 9.7 lbf
Total Coils 11
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12725
Ends Closed
Finish None
Free Length 109.22 mm
Inside Diameter 36.65 mm
Material Spring Steel
Outside Diameter 41.28 mm
Part Type Standard
Rate 0.53 N/mm
SKU 12725CS
Solid Length 27.69 mm
Suggested Max Deflection 81.28 mm
Suggested Max Load 43.15 N
Total Coils 11
Wire Diameter 2.31 mm
The compression spring 12725CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality hard drawn, the 12725 compression spring design exhibits exceptional tensile strength and resilience.

The 12725 design is manufactured with a free length of 4.3", with an outer diameter of 1.625", an inner diameter of 1.443", and a total of 11 coils, expertly designed to deliver consistent compression characteristics including a rate of 3 lbs/in.

The 12725CS 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 12725 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.