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3320CS - 1.13" Hard Drawn Compression Spring

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Compression spring manufactured from steel with 8.25 coils and closed & ground ends. This spring features an O.D. of 0.593", and an I.D. of 0.449".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3320
Ends Closed & Ground
Finish Zinc
Free Length 1.13 in
Inside Diameter 0.449 in
Material Spring Steel
Outside Diameter 0.593 in
Part Type Standard
Rate 43 lbs/in
SKU 3320CS
Solid Length 0.6 in
Suggested Max Deflection 0.49 in
Suggested Max Load 21 lbf
Total Coils 8.25
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3320
Ends Closed & Ground
Finish Zinc
Free Length 28.7 mm
Inside Diameter 11.4 mm
Material Spring Steel
Outside Diameter 15.06 mm
Part Type Standard
Rate 7.53 N/mm
SKU 3320CS
Solid Length 15.24 mm
Suggested Max Deflection 12.45 mm
Suggested Max Load 93.41 N
Total Coils 8.25
Wire Diameter 1.83 mm
The 3320 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality hard drawn 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 3320CS compression spring is designed with a free length of 1.63" total of 12 coils, and a rate of 29 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 3320 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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