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34CS - 4" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 12.5 coils and closed & ground ends. This spring features an O.D. of 1.25", and an I.D. of 0.954".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 34
Ends Closed & Ground
Finish Zinc
Free Length 4 in
Inside Diameter 0.954 in
Material Spring Steel
Outside Diameter 1.25 in
Part Type Standard
Rate 49 lbs/in
SKU 34CS
Solid Length 1.85 in
Suggested Max Deflection 1.6 in
Suggested Max Load 79 lbf
Total Coils 12.5
Wire Diameter 0.148 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 34
Ends Closed & Ground
Finish Zinc
Free Length 101.6 mm
Inside Diameter 24.23 mm
Material Spring Steel
Outside Diameter 31.75 mm
Part Type Standard
Rate 8.58 N/mm
SKU 34CS
Solid Length 46.99 mm
Suggested Max Deflection 40.64 mm
Suggested Max Load 351.39 N
Total Coils 12.5
Wire Diameter 3.76 mm
The 34 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality spring steel 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 34CS compression spring is designed with a free length of 3" total of 17 coils, and a rate of 24 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The 34 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.