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Century Spring

KK-85CS - 0.88" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 4 coils and closed & ground ends. This spring features an O.D. of 0.859", and an I.D. of 0.639".

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

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name KK-85
Ends Closed & Ground
Finish None
Free Length 0.88 in
Inside Diameter 0.639 in
Material Spring Steel
Outside Diameter 0.859 in
Part Type Standard
Rate 250 lbs/in
SKU KK-85CS
Solid Length 0.44 in
Suggested Max Deflection 0.19 in
Suggested Max Load 48 lbf
Total Coils 4
Wire Diameter 0.11 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name KK-85
Ends Closed & Ground
Finish None
Free Length 22.35 mm
Inside Diameter 16.23 mm
Material Spring Steel
Outside Diameter 21.82 mm
Part Type Standard
Rate 43.78 N/mm
SKU KK-85CS
Solid Length 11.18 mm
Suggested Max Deflection 4.83 mm
Suggested Max Load 213.5 N
Total Coils 4
Wire Diameter 2.79 mm
The compression spring KK-85CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the KK-85 compression spring design exhibits exceptional tensile strength and resilience.

The KK-85 design is manufactured with a free length of 0.88", with an outer diameter of 0.859", an inner diameter of 0.639", and a total of 4 coils, expertly designed to deliver consistent compression characteristics including a rate of 250 lbs/in.

The KK-85CS 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 KK-85 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.

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