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LL-57CS - 0.16" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 4 coils and closed ends. This spring features an O.D. of 0.125", and an I.D. of 0.085".

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

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name LL-57
Ends Closed
Finish None
Free Length 0.16 in
Inside Diameter 0.085 in
Material Music Wire
Outside Diameter 0.125 in
Part Type Standard
Rate 99 lbs/in
SKU LL-57CS
Solid Length 0.1 in
Suggested Max Deflection 0.04 in
Suggested Max Load 3.7 lbf
Total Coils 4
Wire Diameter 0.02 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name LL-57
Ends Closed
Finish None
Free Length 4.06 mm
Inside Diameter 2.16 mm
Material Music Wire
Outside Diameter 3.18 mm
Part Type Standard
Rate 17.33 N/mm
SKU LL-57CS
Solid Length 2.54 mm
Suggested Max Deflection 1.02 mm
Suggested Max Load 16.46 N
Total Coils 4
Wire Diameter 0.51 mm
The LL-57 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 LL-57CS compression spring is designed with a free length of 0.56" total of 8 coils, and a rate of 2.1 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 LL-57 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.