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KK-75CS - 1.53" Phosphor Bronze Compression Spring

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Compression spring manufactured from phosphor bronze with 7.75 coils and closed & ground ends. This spring features an O.D. of 0.687", and an I.D. of 0.507".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name KK-75
Ends Closed & Ground
Finish None
Free Length 1.53 in
Inside Diameter 0.507 in
Material Phosphor Bronze
Outside Diameter 0.687 in
Part Type Standard
Rate 42 lbs/in
SKU KK-75CS
Solid Length 0.7 in
Suggested Max Deflection 0.81 in
Suggested Max Load 34 lbf
Total Coils 7.75
Wire Diameter 0.09 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name KK-75
Ends Closed & Ground
Finish None
Free Length 38.86 mm
Inside Diameter 12.88 mm
Material Phosphor Bronze
Outside Diameter 17.45 mm
Part Type Standard
Rate 7.35 N/mm
SKU KK-75CS
Solid Length 17.78 mm
Suggested Max Deflection 20.57 mm
Suggested Max Load 151.23 N
Total Coils 7.75
Wire Diameter 2.29 mm
The KK-75 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality phosphor bronze 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-75CS compression spring is designed with a free length of 0.72" total of 9.5 coils, and a rate of 15 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-75 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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