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Century Spring

B15-25CS - 1.75" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 16.5 coils and closed ends. This spring features an O.D. of 0.312", and an I.D. of 0.18".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B15-25
Ends Closed
Finish None
Free Length 1.75 in
Inside Diameter 0.18 in
Material Spring Steel
Outside Diameter 0.312 in
Part Type Standard
Rate 126 lbs/in
SKU B15-25CS
Solid Length 1.16 in
Suggested Max Deflection 0.24 in
Suggested Max Load 30 lbf
Total Coils 16.5
Wire Diameter 0.066 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B15-25
Ends Closed
Finish None
Free Length 44.45 mm
Inside Diameter 4.57 mm
Material Spring Steel
Outside Diameter 7.92 mm
Part Type Standard
Rate 22.06 N/mm
SKU B15-25CS
Solid Length 29.46 mm
Suggested Max Deflection 6.1 mm
Suggested Max Load 133.44 N
Total Coils 16.5
Wire Diameter 1.68 mm
The B15-25CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.066" diameter spring steel, the B15-25 spring design exhibits reliable strength across its 16.5 active coils, withstanding repeated compression cycles with a maximum load of 30 lbf without succumbing to fatigue.

We manufacture the B15-25 design to provide a compression spring that is 1.75" long at rest and provides a consistent rate of 126 lbs/in along its recommended maximum of 0.24" deflection. For best results, your application should fully accommodate the inner (0.18") and outer (0.312") diameters of this spring and be designed for its closed end configuration.

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