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11644CS - 3.41" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 8 coils and closed & ground ends. This spring features an O.D. of 1.25", and an I.D. of 1.125".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 11644
Ends Closed & Ground
Finish Zinc
Free Length 3.41 in
Inside Diameter 1.125 in
Material Spring Steel
Outside Diameter 1.25 in
Part Type Standard
Rate 2.3 lbs/in
SKU 11644CS
Solid Length 0.5 in
Suggested Max Deflection 2.9 in
Suggested Max Load 6.5 lbf
Total Coils 8
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 11644
Ends Closed & Ground
Finish Zinc
Free Length 86.61 mm
Inside Diameter 28.58 mm
Material Spring Steel
Outside Diameter 31.75 mm
Part Type Standard
Rate 0.4 N/mm
SKU 11644CS
Solid Length 12.7 mm
Suggested Max Deflection 73.66 mm
Suggested Max Load 28.91 N
Total Coils 8
Wire Diameter 1.59 mm
The 11644CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.0625" diameter spring steel, the 11644 spring design exhibits reliable strength across its 8 active coils, withstanding repeated compression cycles with a maximum load of 6.5 lbf without succumbing to fatigue.

We manufacture the 11644 design to provide a compression spring that is 3.41" long at rest and provides a consistent rate of 2.3 lbs/in along its recommended maximum of 2.9" deflection. For best results, your application should fully accommodate the inner (1.125") and outer (1.25") diameters of this spring and be designed for its closed & ground end configuration.