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II-78CS - 1.75" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 8 coils and closed & ground ends. This spring features an O.D. of 0.984", and an I.D. of 0.704".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name II-78
Ends Closed & Ground
Finish Zinc
Free Length 1.75 in
Inside Diameter 0.704 in
Material Spring Steel
Outside Diameter 0.984 in
Part Type Standard
Rate 153 lbs/in
SKU II-78CS
Solid Length 1.12 in
Suggested Max Deflection 0.55 in
Suggested Max Load 84 lbf
Total Coils 8
Wire Diameter 0.14 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name II-78
Ends Closed & Ground
Finish Zinc
Free Length 44.45 mm
Inside Diameter 17.88 mm
Material Spring Steel
Outside Diameter 24.99 mm
Part Type Standard
Rate 26.79 N/mm
SKU II-78CS
Solid Length 28.45 mm
Suggested Max Deflection 13.97 mm
Suggested Max Load 373.63 N
Total Coils 8
Wire Diameter 3.56 mm
The compression spring II-78CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the II-78 compression spring design exhibits exceptional tensile strength and resilience.

The II-78 design is manufactured with a free length of 1.75", with an outer diameter of 0.984", an inner diameter of 0.704", and a total of 8 coils, expertly designed to deliver consistent compression characteristics including a rate of 153 lbs/in.

The II-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 II-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.