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3912CS - 9" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 28 coils and closed & ground ends. This spring features an O.D. of 0.906", and an I.D. of 0.696".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3912
Ends Closed & Ground
Finish Zinc
Free Length 9 in
Inside Diameter 0.696 in
Material Spring Steel
Outside Diameter 0.906 in
Part Type Standard
Rate 13 lbs/in
SKU 3912CS
Solid Length 2.94 in
Suggested Max Deflection 3.2 in
Suggested Max Load 41 lbf
Total Coils 28
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3912
Ends Closed & Ground
Finish Zinc
Free Length 228.6 mm
Inside Diameter 17.68 mm
Material Spring Steel
Outside Diameter 23.01 mm
Part Type Standard
Rate 2.28 N/mm
SKU 3912CS
Solid Length 74.68 mm
Suggested Max Deflection 81.28 mm
Suggested Max Load 182.37 N
Total Coils 28
Wire Diameter 2.67 mm
The compression spring 3912CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 3912 compression spring design exhibits exceptional tensile strength and resilience.

The 3912 design is manufactured with a free length of 9", with an outer diameter of 0.906", an inner diameter of 0.696", and a total of 28 coils, expertly designed to deliver consistent compression characteristics including a rate of 13 lbs/in.

The 3912CS 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 3912 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.