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Century Spring

70445CS - 0.44" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 8.13 coils and closed & ground ends. This spring features an O.D. of 0.18", and an I.D. of 0.11".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 70445
Ends Closed & Ground
Finish None
Free Length 0.44 in
Inside Diameter 0.11 in
Material Music Wire
Outside Diameter 0.18 in
Part Type Standard
Rate 115 lbs/in
SKU 70445CS
Solid Length 0.28 in
Suggested Max Deflection 0.1 in
Suggested Max Load 12 lbf
Total Coils 8.13
Wire Diameter 0.035 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 70445
Ends Closed & Ground
Finish None
Free Length 11.18 mm
Inside Diameter 2.79 mm
Material Music Wire
Outside Diameter 4.57 mm
Part Type Standard
Rate 20.14 N/mm
SKU 70445CS
Solid Length 7.11 mm
Suggested Max Deflection 2.54 mm
Suggested Max Load 53.38 N
Total Coils 8.13
Wire Diameter 0.89 mm
The 70445CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.035" diameter music wire, the 70445 spring design exhibits reliable strength across its 8.13 active coils, withstanding repeated compression cycles with a maximum load of 12 lbf without succumbing to fatigue.

We manufacture the 70445 design to provide a compression spring that is 0.44" long at rest and provides a consistent rate of 115 lbs/in along its recommended maximum of 0.1" deflection. For best results, your application should fully accommodate the inner (0.11") and outer (0.18") diameters of this spring and be designed for its closed & ground end configuration.

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