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Century Spring

S-29CS - 0.75" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 4 coils and closed & ground ends. This spring features an O.D. of 0.781", and an I.D. of 0.541".

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-29
Ends Closed & Ground
Finish None
Free Length 0.75 in
Inside Diameter 0.541 in
Material 302/304 Stainless Steel
Outside Diameter 0.781 in
Part Type Standard
Rate 458 lbs/in
SKU S-29CS
Solid Length 0.48 in
Suggested Max Deflection 0.14 in
Suggested Max Load 62 lbf
Total Coils 4
Wire Diameter 0.12 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-29
Ends Closed & Ground
Finish None
Free Length 19.05 mm
Inside Diameter 13.74 mm
Material 302/304 Stainless Steel
Outside Diameter 19.84 mm
Part Type Standard
Rate 80.2 N/mm
SKU S-29CS
Solid Length 12.19 mm
Suggested Max Deflection 3.56 mm
Suggested Max Load 275.78 N
Total Coils 4
Wire Diameter 3.05 mm
The S-29 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-29CS compression spring is designed with a free length of 2.22" total of 8 coils, and a rate of 0.92 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-29 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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