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Century Spring

KK-28CS - 1.38" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 12 coils and closed & ground ends. This spring features an O.D. of 0.296", and an I.D. of 0.236".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name KK-28
Ends Closed & Ground
Finish Gold Iridite
Free Length 1.38 in
Inside Diameter 0.236 in
Material Music Wire
Outside Diameter 0.296 in
Part Type Standard
Rate 6.2 lbs/in
SKU KK-28CS
Solid Length 0.36 in
Suggested Max Deflection 0.82 in
Suggested Max Load 5.1 lbf
Total Coils 12
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name KK-28
Ends Closed & Ground
Finish Gold Iridite
Free Length 35.05 mm
Inside Diameter 5.99 mm
Material Music Wire
Outside Diameter 7.52 mm
Part Type Standard
Rate 1.09 N/mm
SKU KK-28CS
Solid Length 9.14 mm
Suggested Max Deflection 20.83 mm
Suggested Max Load 22.68 N
Total Coils 12
Wire Diameter 0.76 mm
The compression spring KK-28CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the KK-28 compression spring design exhibits exceptional tensile strength and resilience.

The KK-28 design is manufactured with a free length of 1.38", with an outer diameter of 0.296", an inner diameter of 0.236", and a total of 12 coils, expertly designed to deliver consistent compression characteristics including a rate of 6.2 lbs/in.

The KK-28CS 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-28 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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