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DD-78CS - 3.25" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 15.5 coils and closed & ground ends. This spring features an O.D. of 0.875", and an I.D. of 0.695".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name DD-78
Ends Closed & Ground
Finish Zinc
Free Length 3.25 in
Inside Diameter 0.695 in
Material Spring Steel
Outside Diameter 0.875 in
Part Type Standard
Rate 14 lbs/in
SKU DD-78CS
Solid Length 1.4 in
Suggested Max Deflection 1.9 in
Suggested Max Load 27 lbf
Total Coils 15.5
Wire Diameter 0.09 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name DD-78
Ends Closed & Ground
Finish Zinc
Free Length 82.55 mm
Inside Diameter 17.65 mm
Material Spring Steel
Outside Diameter 22.23 mm
Part Type Standard
Rate 2.45 N/mm
SKU DD-78CS
Solid Length 35.56 mm
Suggested Max Deflection 48.26 mm
Suggested Max Load 120.1 N
Total Coils 15.5
Wire Diameter 2.29 mm
The compression spring DD-78CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the DD-78 compression spring design exhibits exceptional tensile strength and resilience.

The DD-78 design is manufactured with a free length of 3.25", with an outer diameter of 0.875", an inner diameter of 0.695", and a total of 15.5 coils, expertly designed to deliver consistent compression characteristics including a rate of 14 lbs/in.

The DD-78CS 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 DD-78 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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