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MM-85CS - 1.81" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 11 coils and closed & ground ends. This spring features an O.D. of 0.64", and an I.D. of 0.38".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name MM-85
Ends Closed & Ground
Finish Zinc
Free Length 1.81 in
Inside Diameter 0.38 in
Material Spring Steel
Outside Diameter 0.64 in
Part Type Standard
Rate 344 lbs/in
SKU MM-85CS
Solid Length 1.43 in
Suggested Max Deflection 0.29 in
Suggested Max Load 98 lbf
Total Coils 11
Wire Diameter 0.13 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name MM-85
Ends Closed & Ground
Finish Zinc
Free Length 45.97 mm
Inside Diameter 9.65 mm
Material Spring Steel
Outside Diameter 16.26 mm
Part Type Standard
Rate 60.23 N/mm
SKU MM-85CS
Solid Length 36.32 mm
Suggested Max Deflection 7.37 mm
Suggested Max Load 435.9 N
Total Coils 11
Wire Diameter 3.3 mm
The MM-85 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 MM-85CS compression spring is designed with a free length of 1.5" total of 13.8 coils, and a rate of 8.1 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 MM-85 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.