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EE-81CS - 0.66" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 9 coils and closed & ground ends. This spring features an O.D. of 0.25", and an I.D. of 0.176".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name EE-81
Ends Closed & Ground
Finish None
Free Length 0.66 in
Inside Diameter 0.176 in
Material Spring Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 40 lbs/in
SKU EE-81CS
Solid Length 0.33 in
Suggested Max Deflection 0.19 in
Suggested Max Load 7.6 lbf
Total Coils 9
Wire Diameter 0.037 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name EE-81
Ends Closed & Ground
Finish None
Free Length 16.76 mm
Inside Diameter 4.47 mm
Material Spring Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 7 N/mm
SKU EE-81CS
Solid Length 8.38 mm
Suggested Max Deflection 4.83 mm
Suggested Max Load 33.8 N
Total Coils 9
Wire Diameter 0.94 mm
The compression spring EE-81CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the EE-81 compression spring design exhibits exceptional tensile strength and resilience.

The EE-81 design is manufactured with a free length of 0.66", with an outer diameter of 0.25", an inner diameter of 0.176", and a total of 9 coils, expertly designed to deliver consistent compression characteristics including a rate of 40 lbs/in.

The EE-81CS compression spring is ideally suited for use in a wide range of mechanical assemblies, including but not limited to automotive suspension systems, industrial machinery, and electronic devices.

In summary, the compression spring EE-81 design stands out for its superior material properties, thoughtful design, and versatility in application. It is a prime choice for engineers committed to excellence and innovation in their projects.