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HH-21CS - 0.78" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 6 coils and closed ends. This spring features an O.D. of 0.296", and an I.D. of 0.256".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name HH-21
Ends Closed
Finish None
Free Length 0.78 in
Inside Diameter 0.256 in
Material Music Wire
Outside Diameter 0.296 in
Part Type Standard
Rate 2.7 lbs/in
SKU HH-21CS
Solid Length 0.14 in
Suggested Max Deflection 0.6 in
Suggested Max Load 1.6 lbf
Total Coils 6
Wire Diameter 0.02 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name HH-21
Ends Closed
Finish None
Free Length 19.81 mm
Inside Diameter 6.5 mm
Material Music Wire
Outside Diameter 7.52 mm
Part Type Standard
Rate 0.47 N/mm
SKU HH-21CS
Solid Length 3.56 mm
Suggested Max Deflection 15.24 mm
Suggested Max Load 7.12 N
Total Coils 6
Wire Diameter 0.51 mm
The compression spring HH-21CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality music wire, the HH-21 compression spring design exhibits exceptional tensile strength and resilience.

The HH-21 design is manufactured with a free length of 0.78", with an outer diameter of 0.296", an inner diameter of 0.256", and a total of 6 coils, expertly designed to deliver consistent compression characteristics including a rate of 2.7 lbs/in.

The HH-21CS 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 HH-21 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.