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HH-63CS - 0.75" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 12.5 coils and closed & ground ends. This spring features an O.D. of 0.25", and an I.D. of 0.15".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name HH-63
Ends Closed & Ground
Finish None
Free Length 0.75 in
Inside Diameter 0.15 in
Material Spring Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 107 lbs/in
SKU HH-63CS
Solid Length 0.63 in
Suggested Max Deflection 0.13 in
Suggested Max Load 13 lbf
Total Coils 12.5
Wire Diameter 0.05 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name HH-63
Ends Closed & Ground
Finish None
Free Length 19.05 mm
Inside Diameter 3.81 mm
Material Spring Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 18.74 N/mm
SKU HH-63CS
Solid Length 16 mm
Suggested Max Deflection 3.3 mm
Suggested Max Load 57.82 N
Total Coils 12.5
Wire Diameter 1.27 mm
The HH-63CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.05" diameter spring steel, the HH-63 spring design exhibits reliable strength across its 12.5 active coils, withstanding repeated compression cycles with a maximum load of 13 lbf without succumbing to fatigue.

We manufacture the HH-63 design to provide a compression spring that is 0.75" long at rest and provides a consistent rate of 107 lbs/in along its recommended maximum of 0.13" deflection. For best results, your application should fully accommodate the inner (0.15") and outer (0.25") diameters of this spring and be designed for its closed & ground end configuration.