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S-12CS - 1.13" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 8 coils and closed & ground ends. This spring features an O.D. of 0.703", and an I.D. of 0.573".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-12
Ends Closed & Ground
Finish None
Free Length 1.13 in
Inside Diameter 0.573 in
Material 302/304 Stainless Steel
Outside Diameter 0.703 in
Part Type Standard
Rate 14 lbs/in
SKU S-12CS
Solid Length 0.52 in
Suggested Max Deflection 0.61 in
Suggested Max Load 8.7 lbf
Total Coils 8
Wire Diameter 0.065 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-12
Ends Closed & Ground
Finish None
Free Length 28.7 mm
Inside Diameter 14.55 mm
Material 302/304 Stainless Steel
Outside Diameter 17.86 mm
Part Type Standard
Rate 2.45 N/mm
SKU S-12CS
Solid Length 13.21 mm
Suggested Max Deflection 15.49 mm
Suggested Max Load 38.7 N
Total Coils 8
Wire Diameter 1.65 mm
The S-12 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality 302/304 stainless steel and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The S-12CS compression spring is designed with a free length of 2.19" total of 6 coils, and a rate of 8.2 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The S-12 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.