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Century Spring

3357CS - 3" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 12 coils and closed & ground ends. This spring features an O.D. of 1", and an I.D. of 0.782".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3357
Ends Closed & Ground
Finish Zinc
Free Length 3 in
Inside Diameter 0.782 in
Material Spring Steel
Outside Diameter 1 in
Part Type Standard
Rate 29 lbs/in
SKU 3357CS
Solid Length 1.31 in
Suggested Max Deflection 1.5 in
Suggested Max Load 42 lbf
Total Coils 12
Wire Diameter 0.109 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3357
Ends Closed & Ground
Finish Zinc
Free Length 76.2 mm
Inside Diameter 19.86 mm
Material Spring Steel
Outside Diameter 25.4 mm
Part Type Standard
Rate 5.08 N/mm
SKU 3357CS
Solid Length 33.27 mm
Suggested Max Deflection 38.1 mm
Suggested Max Load 186.82 N
Total Coils 12
Wire Diameter 2.77 mm
The 3357CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.109" diameter spring steel, the 3357 spring design exhibits reliable strength across its 12 active coils, withstanding repeated compression cycles with a maximum load of 42 lbf without succumbing to fatigue.

We manufacture the 3357 design to provide a compression spring that is 3" long at rest and provides a consistent rate of 29 lbs/in along its recommended maximum of 1.5" deflection. For best results, your application should fully accommodate the inner (0.782") and outer (1") diameters of this spring and be designed for its closed & ground end configuration.

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