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Century Spring

71020CS - 1.75" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 18.5 coils and closed & ground ends. This spring features an O.D. of 0.3", and an I.D. of 0.198".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71020
Ends Closed & Ground
Finish None
Free Length 1.75 in
Inside Diameter 0.198 in
Material Music Wire
Outside Diameter 0.3 in
Part Type Standard
Rate 38 lbs/in
SKU 71020CS
Solid Length 0.94 in
Suggested Max Deflection 0.55 in
Suggested Max Load 21 lbf
Total Coils 18.5
Wire Diameter 0.051 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71020
Ends Closed & Ground
Finish None
Free Length 44.45 mm
Inside Diameter 5.03 mm
Material Music Wire
Outside Diameter 7.62 mm
Part Type Standard
Rate 6.65 N/mm
SKU 71020CS
Solid Length 23.88 mm
Suggested Max Deflection 13.97 mm
Suggested Max Load 93.41 N
Total Coils 18.5
Wire Diameter 1.3 mm
The 71020 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 71020CS compression spring is designed with a free length of 1.5" total of 16 coils, and a rate of 38 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 71020 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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