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B15-63CS - 1.22" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 31 coils and closed ends. This spring features an O.D. of 0.125", and an I.D. of 0.099".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B15-63
Ends Closed
Finish None
Free Length 1.22 in
Inside Diameter 0.099 in
Material Music Wire
Outside Diameter 0.125 in
Part Type Standard
Rate 1 lbs/in
SKU B15-63CS
Solid Length 0.42 in
Suggested Max Deflection 0.8 in
Suggested Max Load 0.81 lbf
Total Coils 31
Wire Diameter 0.013 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B15-63
Ends Closed
Finish None
Free Length 30.99 mm
Inside Diameter 2.51 mm
Material Music Wire
Outside Diameter 3.18 mm
Part Type Standard
Rate 0.18 N/mm
SKU B15-63CS
Solid Length 10.67 mm
Suggested Max Deflection 20.32 mm
Suggested Max Load 3.6 N
Total Coils 31
Wire Diameter 0.33 mm
The B15-63CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.013" diameter music wire, the B15-63 spring design exhibits reliable strength across its 31 active coils, withstanding repeated compression cycles with a maximum load of 0.81 lbf without succumbing to fatigue.

We manufacture the B15-63 design to provide a compression spring that is 1.22" long at rest and provides a consistent rate of 1 lbs/in along its recommended maximum of 0.8" deflection. For best results, your application should fully accommodate the inner (0.099") and outer (0.125") diameters of this spring and be designed for its closed end configuration.