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Century Spring

B1-18CS - 0.88" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 14.8 coils and closed & ground ends. This spring features an O.D. of 0.188", and an I.D. of 0.136".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B1-18
Ends Closed & Ground
Finish None
Free Length 0.88 in
Inside Diameter 0.136 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 12 lbs/in
SKU B1-18CS
Solid Length 0.38 in
Suggested Max Deflection 0.41 in
Suggested Max Load 5.1 lbf
Total Coils 14.8
Wire Diameter 0.026 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B1-18
Ends Closed & Ground
Finish None
Free Length 22.35 mm
Inside Diameter 3.45 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 2.1 N/mm
SKU B1-18CS
Solid Length 9.65 mm
Suggested Max Deflection 10.41 mm
Suggested Max Load 22.68 N
Total Coils 14.8
Wire Diameter 0.66 mm
The B1-18CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.026" diameter music wire, the B1-18 spring design exhibits reliable strength across its 14.8 active coils, withstanding repeated compression cycles with a maximum load of 5.1 lbf without succumbing to fatigue.

We manufacture the B1-18 design to provide a compression spring that is 0.88" long at rest and provides a consistent rate of 12 lbs/in along its recommended maximum of 0.41" deflection. For best results, your application should fully accommodate the inner (0.136") and outer (0.188") diameters of this spring and be designed for its closed & ground end configuration.

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