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38 - 3.5 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 13 coils and Closed & Ground ends. This spring features an O.D. of 1 Inch, and an I.D. of 0.676 Inch.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 38
Ends Closed & Ground
Finish Zinc
Free Length 3.5 in
Inside Diameter 0.676 in
Material Spring Steel
Outside Diameter 1 in
Part Type Standard
Rate 153 lbs/in
SKU 38CS
Solid Length 2.11 in
Suggested Max Deflection 0.8 in
Suggested Max Load 123 lbf
Total Coils 13
Wire Diameter 0.162 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 38
Ends Closed & Ground
Finish Zinc
Free Length 88.9 mm
Inside Diameter 17.17 mm
Material Spring Steel
Outside Diameter 25.4 mm
Part Type Standard
Rate 26.79 N/mm
SKU 38CS
Solid Length 53.59 mm
Suggested Max Deflection 20.32 mm
Suggested Max Load 547.1 N
Total Coils 13
Wire Diameter 4.11 mm
The 38 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality hard drawn and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The 38CS compression spring is designed with a free length of 6" total of 14 coils, and a rate of 13 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The 38 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.