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4217CS - 4" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 12.5 coils and closed ends. This spring features an O.D. of 0.781", and an I.D. of 0.689".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4217
Ends Closed
Finish Zinc
Free Length 4 in
Inside Diameter 0.689 in
Material Spring Steel
Outside Diameter 0.781 in
Part Type Standard
Rate 1.5 lbs/in
SKU 4217CS
Solid Length 0.62 in
Suggested Max Deflection 3.2 in
Suggested Max Load 4.9 lbf
Total Coils 12.5
Wire Diameter 0.046 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4217
Ends Closed
Finish Zinc
Free Length 101.6 mm
Inside Diameter 17.5 mm
Material Spring Steel
Outside Diameter 19.84 mm
Part Type Standard
Rate 0.26 N/mm
SKU 4217CS
Solid Length 15.75 mm
Suggested Max Deflection 81.28 mm
Suggested Max Load 21.8 N
Total Coils 12.5
Wire Diameter 1.17 mm
The 4217 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 4217CS compression spring is designed with a free length of 2.75" total of 18 coils, and a rate of 1.6 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 4217 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.