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KK-39CS - 0.75" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 7.5 coils and closed & ground ends. This spring features an O.D. of 0.375", and an I.D. of 0.247".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name KK-39
Ends Closed & Ground
Finish Zinc
Free Length 0.75 in
Inside Diameter 0.247 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 146 lbs/in
SKU KK-39CS
Solid Length 0.48 in
Suggested Max Deflection 0.16 in
Suggested Max Load 24 lbf
Total Coils 7.5
Wire Diameter 0.064 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name KK-39
Ends Closed & Ground
Finish Zinc
Free Length 19.05 mm
Inside Diameter 6.27 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 25.56 N/mm
SKU KK-39CS
Solid Length 12.19 mm
Suggested Max Deflection 4.06 mm
Suggested Max Load 106.75 N
Total Coils 7.5
Wire Diameter 1.63 mm
The compression spring KK-39CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the KK-39 compression spring design exhibits exceptional tensile strength and resilience.

The KK-39 design is manufactured with a free length of 0.75", with an outer diameter of 0.375", an inner diameter of 0.247", and a total of 7.5 coils, expertly designed to deliver consistent compression characteristics including a rate of 146 lbs/in.

The KK-39CS 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-39 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.