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Century Spring

Z-43CS - 0.5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 7 coils and closed ends. This spring features an O.D. of 0.296", and an I.D. of 0.23".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name Z-43
Ends Closed
Finish Zinc
Free Length 0.5 in
Inside Diameter 0.23 in
Material Spring Steel
Outside Diameter 0.296 in
Part Type Standard
Rate 19 lbs/in
SKU Z-43CS
Solid Length 0.26 in
Suggested Max Deflection 0.24 in
Suggested Max Load 4.4 lbf
Total Coils 7
Wire Diameter 0.033 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name Z-43
Ends Closed
Finish Zinc
Free Length 12.7 mm
Inside Diameter 5.84 mm
Material Spring Steel
Outside Diameter 7.52 mm
Part Type Standard
Rate 3.33 N/mm
SKU Z-43CS
Solid Length 6.6 mm
Suggested Max Deflection 6.1 mm
Suggested Max Load 19.57 N
Total Coils 7
Wire Diameter 0.84 mm
The Z-43 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 Z-43CS compression spring is designed with a free length of 1.25" total of 7 coils, and a rate of 8.4 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 Z-43 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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