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Century Spring

12207CS - 0.75" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 4 coils and closed & ground ends. This spring features an O.D. of 1.25", and an I.D. of 1.05".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12207
Ends Closed & Ground
Finish Zinc
Free Length 0.75 in
Inside Diameter 1.05 in
Material Spring Steel
Outside Diameter 1.25 in
Part Type Standard
Rate 47 lbs/in
SKU 12207CS
Solid Length 0.4 in
Suggested Max Deflection 0.35 in
Suggested Max Load 17 lbf
Total Coils 4
Wire Diameter 0.1 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12207
Ends Closed & Ground
Finish Zinc
Free Length 19.05 mm
Inside Diameter 26.67 mm
Material Spring Steel
Outside Diameter 31.75 mm
Part Type Standard
Rate 8.23 N/mm
SKU 12207CS
Solid Length 10.16 mm
Suggested Max Deflection 8.89 mm
Suggested Max Load 75.62 N
Total Coils 4
Wire Diameter 2.54 mm
The 12207CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.1" diameter spring steel, the 12207 spring design exhibits reliable strength across its 4 active coils, withstanding repeated compression cycles with a maximum load of 17 lbf without succumbing to fatigue.

We manufacture the 12207 design to provide a compression spring that is 0.75" long at rest and provides a consistent rate of 47 lbs/in along its recommended maximum of 0.35" deflection. For best results, your application should fully accommodate the inner (1.05") and outer (1.25") diameters of this spring and be designed for its closed & ground end configuration.

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