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3099CS - 3.5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 18 coils and closed & ground ends. This spring features an O.D. of 0.796", and an I.D. of 0.604".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3099
Ends Closed & Ground
Finish Zinc
Free Length 3.5 in
Inside Diameter 0.604 in
Material Spring Steel
Outside Diameter 0.796 in
Part Type Standard
Rate 22 lbs/in
SKU 3099CS
Solid Length 1.73 in
Suggested Max Deflection 1.6 in
Suggested Max Load 36 lbf
Total Coils 18
Wire Diameter 0.096 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3099
Ends Closed & Ground
Finish Zinc
Free Length 88.9 mm
Inside Diameter 15.34 mm
Material Spring Steel
Outside Diameter 20.22 mm
Part Type Standard
Rate 3.85 N/mm
SKU 3099CS
Solid Length 43.94 mm
Suggested Max Deflection 40.64 mm
Suggested Max Load 160.13 N
Total Coils 18
Wire Diameter 2.44 mm
The compression spring 3099CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 3099 compression spring design exhibits exceptional tensile strength and resilience.

The 3099 design is manufactured with a free length of 3.5", with an outer diameter of 0.796", an inner diameter of 0.604", and a total of 18 coils, expertly designed to deliver consistent compression characteristics including a rate of 22 lbs/in.

The 3099CS 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 3099 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.