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B18-185CS - 2.5" Music Wire Compression Spring

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Compression spring manufactured from music wire with 37 coils and closed & ground ends. This spring features an O.D. of 0.172", and an I.D. of 0.122".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B18-185
Ends Closed & Ground
Finish Zinc
Free Length 2.5 in
Inside Diameter 0.122 in
Material Music Wire
Outside Diameter 0.172 in
Part Type Standard
Rate 5.1 lbs/in
SKU B18-185CS
Solid Length 0.93 in
Suggested Max Deflection 0.98 in
Suggested Max Load 4.9 lbf
Total Coils 37
Wire Diameter 0.025 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B18-185
Ends Closed & Ground
Finish Zinc
Free Length 63.5 mm
Inside Diameter 3.1 mm
Material Music Wire
Outside Diameter 4.37 mm
Part Type Standard
Rate 0.89 N/mm
SKU B18-185CS
Solid Length 23.62 mm
Suggested Max Deflection 24.89 mm
Suggested Max Load 21.8 N
Total Coils 37
Wire Diameter 0.64 mm
The B18-185 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality music wire and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The B18-185CS compression spring is designed with a free length of 3.22" total of 11.3 coils, and a rate of 574 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The B18-185 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.

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