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Century Spring

3412CS - 3.5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 9 coils and closed & ground ends. This spring features an O.D. of 0.875", and an I.D. of 0.723".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3412
Ends Closed & Ground
Finish Zinc
Free Length 3.5 in
Inside Diameter 0.723 in
Material Spring Steel
Outside Diameter 0.875 in
Part Type Standard
Rate 13 lbs/in
SKU 3412CS
Solid Length 0.68 in
Suggested Max Deflection 1.3 in
Suggested Max Load 17 lbf
Total Coils 9
Wire Diameter 0.076 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3412
Ends Closed & Ground
Finish Zinc
Free Length 88.9 mm
Inside Diameter 18.36 mm
Material Spring Steel
Outside Diameter 22.23 mm
Part Type Standard
Rate 2.28 N/mm
SKU 3412CS
Solid Length 17.27 mm
Suggested Max Deflection 33.02 mm
Suggested Max Load 75.62 N
Total Coils 9
Wire Diameter 1.93 mm
The 3412CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.076" diameter spring steel, the 3412 spring design exhibits reliable strength across its 9 active coils, withstanding repeated compression cycles with a maximum load of 17 lbf without succumbing to fatigue.

We manufacture the 3412 design to provide a compression spring that is 3.5" long at rest and provides a consistent rate of 13 lbs/in along its recommended maximum of 1.3" deflection. For best results, your application should fully accommodate the inner (0.723") and outer (0.875") diameters of this spring and be designed for its closed & ground end configuration.

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