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11311CS - 0.63" Spring Steel Compression Spring

Inventory Status
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Compression spring manufactured from spring steel with 6 coils and closed & ground ends. This spring features an O.D. of 0.375", and an I.D. of 0.225".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 11311
Ends Closed & Ground
Finish Zinc
Free Length 0.63 in
Inside Diameter 0.225 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 421 lbs/in
SKU 11311CS
Solid Length 0.45 in
Suggested Max Deflection 0.08 in
Suggested Max Load 36 lbf
Total Coils 6
Wire Diameter 0.075 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 11311
Ends Closed & Ground
Finish Zinc
Free Length 16 mm
Inside Diameter 5.72 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 73.72 N/mm
SKU 11311CS
Solid Length 11.43 mm
Suggested Max Deflection 2.03 mm
Suggested Max Load 160.13 N
Total Coils 6
Wire Diameter 1.91 mm
The 11311CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.075" diameter spring steel, the 11311 spring design exhibits reliable strength across its 6 active coils, withstanding repeated compression cycles with a maximum load of 36 lbf without succumbing to fatigue.

We manufacture the 11311 design to provide a compression spring that is 0.63" long at rest and provides a consistent rate of 421 lbs/in along its recommended maximum of 0.08" deflection. For best results, your application should fully accommodate the inner (0.225") and outer (0.375") diameters of this spring and be designed for its closed & ground end configuration.

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