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Century Spring

B15-18CS - 0.53" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 4.5 coils and closed & ground ends. This spring features an O.D. of 0.188", and an I.D. of 0.144".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B15-18
Ends Closed & Ground
Finish Gold Iridite
Free Length 0.53 in
Inside Diameter 0.144 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 29 lbs/in
SKU B15-18CS
Solid Length 0.1 in
Suggested Max Deflection 0.11 in
Suggested Max Load 3.3 lbf
Total Coils 4.5
Wire Diameter 0.022 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B15-18
Ends Closed & Ground
Finish Gold Iridite
Free Length 13.46 mm
Inside Diameter 3.66 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 5.08 N/mm
SKU B15-18CS
Solid Length 2.54 mm
Suggested Max Deflection 2.79 mm
Suggested Max Load 14.68 N
Total Coils 4.5
Wire Diameter 0.56 mm
The B15-18 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 B15-18CS compression spring is designed with a free length of 0.56" total of 6 coils, and a rate of 646 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 B15-18 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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