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Century Spring

2518 - 0.5 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Regular compression spring in Spring Steel with 3.5 total coils and Closed & Ground ends. This spring features an O.D. of 0.75 Inch, and an I.D. of 0.642 Inch.

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 2518
Ends Closed & Ground
Finish Zinc
Free Length 0.5 in
Inside Diameter 0.642 in
Material Spring Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 24 lbs/in
SKU 2518CS
Solid Length 0.19 in
Suggested Max Deflection 0.31 in
Suggested Max Load 7.5 lbf
Total Coils 3.5
Wire Diameter 0.054 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 2518
Ends Closed & Ground
Finish Zinc
Free Length 12.7 mm
Inside Diameter 16.31 mm
Material Spring Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 4.2 N/mm
SKU 2518CS
Solid Length 4.83 mm
Suggested Max Deflection 7.87 mm
Suggested Max Load 33.36 N
Total Coils 3.5
Wire Diameter 1.37 mm
The 2518 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 2518CS compression spring is designed with a free length of 0.63" total of 6 coils, and a rate of 30 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 2518 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.

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