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Century Spring

70718CS - 2.25" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 28.5 coils and closed & ground ends. This spring features an O.D. of 0.24", and an I.D. of 0.164".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 70718
Ends Closed & Ground
Finish None
Free Length 2.25 in
Inside Diameter 0.164 in
Material Music Wire
Outside Diameter 0.24 in
Part Type Standard
Rate 14 lbs/in
SKU 70718CS
Solid Length 1.08 in
Suggested Max Deflection 0.85 in
Suggested Max Load 12 lbf
Total Coils 28.5
Wire Diameter 0.038 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 70718
Ends Closed & Ground
Finish None
Free Length 57.15 mm
Inside Diameter 4.17 mm
Material Music Wire
Outside Diameter 6.1 mm
Part Type Standard
Rate 2.45 N/mm
SKU 70718CS
Solid Length 27.43 mm
Suggested Max Deflection 21.59 mm
Suggested Max Load 53.38 N
Total Coils 28.5
Wire Diameter 0.97 mm
The 70718CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.038" diameter music wire, the 70718 spring design exhibits reliable strength across its 28.5 active coils, withstanding repeated compression cycles with a maximum load of 12 lbf without succumbing to fatigue.

We manufacture the 70718 design to provide a compression spring that is 2.25" long at rest and provides a consistent rate of 14 lbs/in along its recommended maximum of 0.85" deflection. For best results, your application should fully accommodate the inner (0.164") and outer (0.24") diameters of this spring and be designed for its closed & ground end configuration.

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