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Century Spring

12401CS - 1.03" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 7 coils and closed & ground ends. This spring features an O.D. of 0.531", and an I.D. of 0.321".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12401
Ends Closed & Ground
Finish None
Free Length 1.03 in
Inside Diameter 0.321 in
Material Spring Steel
Outside Diameter 0.531 in
Part Type Standard
Rate 432 lbs/in
SKU 12401CS
Solid Length 0.73 in
Suggested Max Deflection 0.15 in
Suggested Max Load 67 lbf
Total Coils 7
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12401
Ends Closed & Ground
Finish None
Free Length 26.16 mm
Inside Diameter 8.15 mm
Material Spring Steel
Outside Diameter 13.49 mm
Part Type Standard
Rate 75.64 N/mm
SKU 12401CS
Solid Length 18.54 mm
Suggested Max Deflection 3.81 mm
Suggested Max Load 298.02 N
Total Coils 7
Wire Diameter 2.67 mm
The 12401CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.105" diameter spring steel, the 12401 spring design exhibits reliable strength across its 7 active coils, withstanding repeated compression cycles with a maximum load of 67 lbf without succumbing to fatigue.

We manufacture the 12401 design to provide a compression spring that is 1.03" long at rest and provides a consistent rate of 432 lbs/in along its recommended maximum of 0.15" deflection. For best results, your application should fully accommodate the inner (0.321") and outer (0.531") diameters of this spring and be designed for its closed & ground end configuration.

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