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Century Spring

3418CS - 6.75" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 18 coils and closed & ground ends. This spring features an O.D. of 1.515", and an I.D. of 1.075".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3418
Ends Closed & Ground
Finish Zinc
Free Length 6.75 in
Inside Diameter 1.075 in
Material Spring Steel
Outside Diameter 1.515 in
Part Type Standard
Rate 97 lbs/in
SKU 3418CS
Solid Length 3.96 in
Suggested Max Deflection 1.9 in
Suggested Max Load 189 lbf
Total Coils 18
Wire Diameter 0.22 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3418
Ends Closed & Ground
Finish Zinc
Free Length 171.45 mm
Inside Diameter 27.31 mm
Material Spring Steel
Outside Diameter 38.48 mm
Part Type Standard
Rate 16.98 N/mm
SKU 3418CS
Solid Length 100.58 mm
Suggested Max Deflection 48.26 mm
Suggested Max Load 840.67 N
Total Coils 18
Wire Diameter 5.59 mm
The 3418CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.22" diameter spring steel, the 3418 spring design exhibits reliable strength across its 18 active coils, withstanding repeated compression cycles with a maximum load of 189 lbf without succumbing to fatigue.

We manufacture the 3418 design to provide a compression spring that is 6.75" long at rest and provides a consistent rate of 97 lbs/in along its recommended maximum of 1.9" deflection. For best results, your application should fully accommodate the inner (1.075") and outer (1.515") diameters of this spring and be designed for its closed & ground end configuration.

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