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4038CS - 21" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 43.5 coils and closed & ground ends. This spring features an O.D. of 1.453", and an I.D. of 1.099".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4038
Ends Closed & Ground
Finish Zinc
Free Length 21 in
Inside Diameter 1.099 in
Material Spring Steel
Outside Diameter 1.453 in
Part Type Standard
Rate 16 lbs/in
SKU 4038CS
Solid Length 7.7 in
Suggested Max Deflection 6.9 in
Suggested Max Load 113 lbf
Total Coils 43.5
Wire Diameter 0.177 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4038
Ends Closed & Ground
Finish Zinc
Free Length 533.4 mm
Inside Diameter 27.91 mm
Material Spring Steel
Outside Diameter 36.91 mm
Part Type Standard
Rate 2.8 N/mm
SKU 4038CS
Solid Length 195.58 mm
Suggested Max Deflection 175.26 mm
Suggested Max Load 502.62 N
Total Coils 43.5
Wire Diameter 4.5 mm
The compression spring 4038CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 4038 compression spring design exhibits exceptional tensile strength and resilience.

The 4038 design is manufactured with a free length of 21", with an outer diameter of 1.453", an inner diameter of 1.099", and a total of 43.5 coils, expertly designed to deliver consistent compression characteristics including a rate of 16 lbs/in.

The 4038CS 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 4038 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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