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387 - 2.25 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 12 coils and Closed & Ground ends. This spring features an O.D. of 0.781 Inch, and an I.D. of 0.541 Inch.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 387
Ends Closed & Ground
Finish Zinc
Free Length 2.25 in
Inside Diameter 0.541 in
Material Spring Steel
Outside Diameter 0.781 in
Part Type Standard
Rate 103 lbs/in
SKU 387CS
Solid Length 1.44 in
Suggested Max Deflection 0.66 in
Suggested Max Load 68 lbf
Total Coils 12
Wire Diameter 0.12 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 387
Ends Closed & Ground
Finish Zinc
Free Length 57.15 mm
Inside Diameter 13.74 mm
Material Spring Steel
Outside Diameter 19.84 mm
Part Type Standard
Rate 18.04 N/mm
SKU 387CS
Solid Length 36.58 mm
Suggested Max Deflection 16.76 mm
Suggested Max Load 302.46 N
Total Coils 12
Wire Diameter 3.05 mm
The compression spring 387CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality hard drawn, the 387 compression spring design exhibits exceptional tensile strength and resilience.

The 387 design is manufactured with a free length of 2.25", with an outer diameter of 0.781", an inner diameter of 0.541", and a total of 12 coils, expertly designed to deliver consistent compression characteristics including a rate of 103 lbs/in.

The 387CS 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 387 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.