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I-18CS - 1.72" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 18.5 coils and closed & ground ends. This spring features an O.D. of 0.406", and an I.D. of 0.298".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name I-18
Ends Closed & Ground
Finish Zinc
Free Length 1.72 in
Inside Diameter 0.298 in
Material Spring Steel
Outside Diameter 0.406 in
Part Type Standard
Rate 17 lbs/in
SKU I-18CS
Solid Length 1 in
Suggested Max Deflection 0.72 in
Suggested Max Load 12 lbf
Total Coils 18.5
Wire Diameter 0.054 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name I-18
Ends Closed & Ground
Finish Zinc
Free Length 43.69 mm
Inside Diameter 7.57 mm
Material Spring Steel
Outside Diameter 10.31 mm
Part Type Standard
Rate 2.98 N/mm
SKU I-18CS
Solid Length 25.4 mm
Suggested Max Deflection 18.29 mm
Suggested Max Load 53.38 N
Total Coils 18.5
Wire Diameter 1.37 mm
The compression spring I-18CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the I-18 compression spring design exhibits exceptional tensile strength and resilience.

The I-18 design is manufactured with a free length of 1.72", with an outer diameter of 0.406", an inner diameter of 0.298", and a total of 18.5 coils, expertly designed to deliver consistent compression characteristics including a rate of 17 lbs/in.

The I-18CS 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 I-18 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.