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KK-3CS - 0.75" Music Wire Compression Spring

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Compression spring manufactured from music wire with 11 coils and closed ends. This spring features an O.D. of 0.296", and an I.D. of 0.256".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name KK-3
Ends Closed
Finish None
Free Length 0.75 in
Inside Diameter 0.256 in
Material Music Wire
Outside Diameter 0.296 in
Part Type Standard
Rate 1.2 lbs/in
SKU KK-3CS
Solid Length 0.24 in
Suggested Max Deflection 0.51 in
Suggested Max Load 0.61 lbf
Total Coils 11
Wire Diameter 0.02 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name KK-3
Ends Closed
Finish None
Free Length 19.05 mm
Inside Diameter 6.5 mm
Material Music Wire
Outside Diameter 7.52 mm
Part Type Standard
Rate 0.21 N/mm
SKU KK-3CS
Solid Length 6.1 mm
Suggested Max Deflection 12.95 mm
Suggested Max Load 2.71 N
Total Coils 11
Wire Diameter 0.51 mm
The KK-3 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 KK-3CS compression spring is designed with a free length of 0.75" total of 7.5 coils, and a rate of 146 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 KK-3 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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