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12684CS - 2.06" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 13.5 coils and closed & ground ends. This spring features an O.D. of 0.5", and an I.D. of 0.33".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12684
Ends Closed & Ground
Finish Zinc
Free Length 2.06 in
Inside Diameter 0.33 in
Material Music Wire
Outside Diameter 0.5 in
Part Type Standard
Rate 91 lbs/in
SKU 12684CS
Solid Length 1.15 in
Suggested Max Deflection 0.61 in
Suggested Max Load 56 lbf
Total Coils 13.5
Wire Diameter 0.085 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12684
Ends Closed & Ground
Finish Zinc
Free Length 52.32 mm
Inside Diameter 8.38 mm
Material Music Wire
Outside Diameter 12.7 mm
Part Type Standard
Rate 15.93 N/mm
SKU 12684CS
Solid Length 29.21 mm
Suggested Max Deflection 15.49 mm
Suggested Max Load 249.09 N
Total Coils 13.5
Wire Diameter 2.16 mm
The 12684 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 12684CS compression spring is designed with a free length of 2.75" total of 14.5 coils, and a rate of 15 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The 12684 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.