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Century Spring

71212CS - 2.25" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 18 coils and closed & ground ends. This spring features an O.D. of 0.36", and an I.D. of 0.26".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71212
Ends Closed & Ground
Finish None
Free Length 2.25 in
Inside Diameter 0.26 in
Material Music Wire
Outside Diameter 0.36 in
Part Type Standard
Rate 17 lbs/in
SKU 71212CS
Solid Length 0.88 in
Suggested Max Deflection 0.99 in
Suggested Max Load 17 lbf
Total Coils 18
Wire Diameter 0.05 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71212
Ends Closed & Ground
Finish None
Free Length 57.15 mm
Inside Diameter 6.6 mm
Material Music Wire
Outside Diameter 9.14 mm
Part Type Standard
Rate 2.98 N/mm
SKU 71212CS
Solid Length 22.35 mm
Suggested Max Deflection 25.15 mm
Suggested Max Load 75.62 N
Total Coils 18
Wire Diameter 1.27 mm
The 71212CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.05" diameter music wire, the 71212 spring design exhibits reliable strength across its 18 active coils, withstanding repeated compression cycles with a maximum load of 17 lbf without succumbing to fatigue.

We manufacture the 71212 design to provide a compression spring that is 2.25" long at rest and provides a consistent rate of 17 lbs/in along its recommended maximum of 0.99" deflection. For best results, your application should fully accommodate the inner (0.26") and outer (0.36") diameters of this spring and be designed for its closed & ground end configuration.

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