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513 - 0.75 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 6.5 coils and Closed ends. This spring features an O.D. of 0.437 Inch, and an I.D. of 0.329 Inch.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 513
Ends Closed
Finish Zinc
Free Length 0.75 in
Inside Diameter 0.329 in
Material Spring Steel
Outside Diameter 0.437 in
Part Type Standard
Rate 48 lbs/in
SKU 513CS
Solid Length 0.41 in
Suggested Max Deflection 0.27 in
Suggested Max Load 13 lbf
Total Coils 6.5
Wire Diameter 0.054 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 513
Ends Closed
Finish Zinc
Free Length 19.05 mm
Inside Diameter 8.36 mm
Material Spring Steel
Outside Diameter 11.1 mm
Part Type Standard
Rate 8.4 N/mm
SKU 513CS
Solid Length 10.41 mm
Suggested Max Deflection 6.86 mm
Suggested Max Load 57.82 N
Total Coils 6.5
Wire Diameter 1.37 mm
The 513 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 513CS compression spring is designed with a free length of 28.346" total of 20.5 coils, and a rate of 8.448 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 513 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.