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Century Spring

QQ-61CS - 0.69" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 4 coils and closed ends. This spring features an O.D. of 0.64", and an I.D. of 0.522".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name QQ-61
Ends Closed
Finish Gold Iridite
Free Length 0.69 in
Inside Diameter 0.522 in
Material Spring Steel
Outside Diameter 0.64 in
Part Type Standard
Rate 44 lbs/in
SKU QQ-61CS
Solid Length 0.3 in
Suggested Max Deflection 0.26 in
Suggested Max Load 12 lbf
Total Coils 4
Wire Diameter 0.059 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name QQ-61
Ends Closed
Finish Gold Iridite
Free Length 17.53 mm
Inside Diameter 13.26 mm
Material Spring Steel
Outside Diameter 16.26 mm
Part Type Standard
Rate 7.7 N/mm
SKU QQ-61CS
Solid Length 7.62 mm
Suggested Max Deflection 6.6 mm
Suggested Max Load 53.38 N
Total Coils 4
Wire Diameter 1.5 mm
The QQ-61 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality spring steel 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 QQ-61CS compression spring is designed with a free length of 0.63" total of 4.5 coils, and a rate of 73 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 QQ-61 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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