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Century Spring

S-725CS - 1.25" 302/304 Stainless Steel Compression Spring

Inventory Status
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Compression spring manufactured from 302/304 stainless steel with 17 coils and closed ends. This spring features an O.D. of 0.25", and an I.D. of 0.166".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-725
Ends Closed
Finish None
Free Length 1.25 in
Inside Diameter 0.166 in
Material 302/304 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 29 lbs/in
SKU S-725CS
Solid Length 0.76 in
Suggested Max Deflection 0.35 in
Suggested Max Load 10 lbf
Total Coils 17
Wire Diameter 0.042 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-725
Ends Closed
Finish None
Free Length 31.75 mm
Inside Diameter 4.22 mm
Material 302/304 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 5.08 N/mm
SKU S-725CS
Solid Length 19.3 mm
Suggested Max Deflection 8.89 mm
Suggested Max Load 44.48 N
Total Coils 17
Wire Diameter 1.07 mm
The S-725 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-725CS compression spring is designed with a free length of 1" total of 13.8 coils, and a rate of 37 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The S-725 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.

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