Century Spring

Z-40CS - 1.16" Music Wire Compression Spring

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Compression spring manufactured from music wire with 12 coils and closed & ground ends. This spring features an O.D. of 0.219", and an I.D. of 0.159".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name Z-40
Ends Closed & Ground
Finish None
Free Length 1.16 in
Inside Diameter 0.159 in
Material Music Wire
Outside Diameter 0.219 in
Part Type Standard
Rate 17 lbs/in
SKU Z-40CS
Solid Length 0.36 in
Suggested Max Deflection 0.39 in
Suggested Max Load 6.7 lbf
Total Coils 12
Wire Diameter 0.03 in
The Z-40CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.03" diameter music wire, the Z-40 spring design exhibits reliable strength across its 12 active coils, withstanding repeated compression cycles with a maximum load of 6.7 lbf without succumbing to fatigue.

We manufacture the Z-40 design to provide a compression spring that is 1.16" long at rest and provides a consistent rate of 17 lbs/in along its recommended maximum of 0.39" deflection. For best results, your application should fully accommodate the inner (0.159") and outer (0.219") diameters of this spring and be designed for its closed & ground end configuration.

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