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A9-70CS - 1.25" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 9.4 coils and closed & ground ends. This spring features an O.D. of 0.42", and an I.D. of 0.274".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name A9-70
Ends Closed & Ground
Finish None
Free Length 1.25 in
Inside Diameter 0.274 in
Material 302/304 Stainless Steel
Outside Diameter 0.42 in
Part Type Standard
Rate 107 lbs/in
SKU A9-70CS
Solid Length 0.68 in
Suggested Max Deflection 0.258 in
Suggested Max Load 28 lbf
Total Coils 9.4
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name A9-70
Ends Closed & Ground
Finish None
Free Length 31.75 mm
Inside Diameter 6.96 mm
Material 302/304 Stainless Steel
Outside Diameter 10.67 mm
Part Type Standard
Rate 18.74 N/mm
SKU A9-70CS
Solid Length 17.27 mm
Suggested Max Deflection 6.55 mm
Suggested Max Load 124.54 N
Total Coils 9.4
Wire Diameter 1.83 mm
The A9-70 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 A9-70CS compression spring is designed with a free length of 0.44" total of 6 coils, and a rate of 90 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 A9-70 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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