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Century Spring

70748CS - 0.75" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 10.9 coils and closed & ground ends. This spring features an O.D. of 0.24", and an I.D. of 0.156".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 70748
Ends Closed & Ground
Finish None
Free Length 0.75 in
Inside Diameter 0.156 in
Material Music Wire
Outside Diameter 0.24 in
Part Type Standard
Rate 65 lbs/in
SKU 70748CS
Solid Length 0.46 in
Suggested Max Deflection 0.24 in
Suggested Max Load 16 lbf
Total Coils 10.9
Wire Diameter 0.042 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 70748
Ends Closed & Ground
Finish None
Free Length 19.05 mm
Inside Diameter 3.96 mm
Material Music Wire
Outside Diameter 6.1 mm
Part Type Standard
Rate 11.38 N/mm
SKU 70748CS
Solid Length 11.68 mm
Suggested Max Deflection 6.1 mm
Suggested Max Load 71.17 N
Total Coils 10.9
Wire Diameter 1.07 mm
The 70748CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.042" diameter music wire, the 70748 spring design exhibits reliable strength across its 10.9 active coils, withstanding repeated compression cycles with a maximum load of 16 lbf without succumbing to fatigue.

We manufacture the 70748 design to provide a compression spring that is 0.75" long at rest and provides a consistent rate of 65 lbs/in along its recommended maximum of 0.24" deflection. For best results, your application should fully accommodate the inner (0.156") and outer (0.24") diameters of this spring and be designed for its closed & ground end configuration.

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