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B3-63CS - 1.23" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 9 coils and closed & ground ends. This spring features an O.D. of 0.432", and an I.D. of 0.28".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B3-63
Ends Closed & Ground
Finish None
Free Length 1.23 in
Inside Diameter 0.28 in
Material 302/304 Stainless Steel
Outside Diameter 0.432 in
Part Type Standard
Rate 132 lbs/in
SKU B3-63CS
Solid Length 0.68 in
Suggested Max Deflection 0.23 in
Suggested Max Load 31 lbf
Total Coils 9
Wire Diameter 0.076 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B3-63
Ends Closed & Ground
Finish None
Free Length 31.24 mm
Inside Diameter 7.11 mm
Material 302/304 Stainless Steel
Outside Diameter 10.97 mm
Part Type Standard
Rate 23.11 N/mm
SKU B3-63CS
Solid Length 17.27 mm
Suggested Max Deflection 5.84 mm
Suggested Max Load 137.89 N
Total Coils 9
Wire Diameter 1.93 mm
The B3-63CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.076" diameter 302/304 stainless steel, the B3-63 spring design exhibits reliable strength across its 9 active coils, withstanding repeated compression cycles with a maximum load of 31 lbf without succumbing to fatigue.

We manufacture the B3-63 design to provide a compression spring that is 1.23" long at rest and provides a consistent rate of 132 lbs/in along its recommended maximum of 0.23" deflection. For best results, your application should fully accommodate the inner (0.28") and outer (0.432") diameters of this spring and be designed for its closed & ground end configuration.

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