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B-64CS - 0.63" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 3 coils and closed ends. This spring features an O.D. of 0.734", and an I.D. of 0.664".

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

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B-64
Ends Closed
Finish None
Free Length 0.63 in
Inside Diameter 0.664 in
Material 302/304 Stainless Steel
Outside Diameter 0.734 in
Part Type Standard
Rate 5.5 lbs/in
SKU B-64CS
Solid Length 0.14 in
Suggested Max Deflection 0.39 in
Suggested Max Load 2.2 lbf
Total Coils 3
Wire Diameter 0.035 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B-64
Ends Closed
Finish None
Free Length 16 mm
Inside Diameter 16.87 mm
Material 302/304 Stainless Steel
Outside Diameter 18.64 mm
Part Type Standard
Rate 0.96 N/mm
SKU B-64CS
Solid Length 3.56 mm
Suggested Max Deflection 9.91 mm
Suggested Max Load 9.79 N
Total Coils 3
Wire Diameter 0.89 mm
The B-64 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 B-64CS compression spring is designed with a free length of 1.13" total of 9 coils, and a rate of 6.2 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 B-64 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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