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Century Spring

S-1018CS - 0.94" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 3.75 coils and closed & ground ends. This spring features an O.D. of 1.156", and an I.D. of 0.886".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-1018
Ends Closed & Ground
Finish None
Free Length 0.94 in
Inside Diameter 0.886 in
Material 302/304 Stainless Steel
Outside Diameter 1.156 in
Part Type Standard
Rate 223 lbs/in
SKU S-1018CS
Solid Length 0.51 in
Suggested Max Deflection 0.26 in
Suggested Max Load 58 lbf
Total Coils 3.75
Wire Diameter 0.135 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-1018
Ends Closed & Ground
Finish None
Free Length 23.88 mm
Inside Diameter 22.5 mm
Material 302/304 Stainless Steel
Outside Diameter 29.36 mm
Part Type Standard
Rate 39.05 N/mm
SKU S-1018CS
Solid Length 12.95 mm
Suggested Max Deflection 6.6 mm
Suggested Max Load 257.98 N
Total Coils 3.75
Wire Diameter 3.43 mm
The S-1018CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.135" diameter 302/304 stainless steel, the S-1018 spring design exhibits reliable strength across its 3.75 active coils, withstanding repeated compression cycles with a maximum load of 58 lbf without succumbing to fatigue.

We manufacture the S-1018 design to provide a compression spring that is 0.94" long at rest and provides a consistent rate of 223 lbs/in along its recommended maximum of 0.26" deflection. For best results, your application should fully accommodate the inner (0.886") and outer (1.156") diameters of this spring and be designed for its closed & ground end configuration.

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