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Century Spring

B1-9CS - 0.59" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 11.5 coils and closed & ground ends. This spring features an O.D. of 0.188", and an I.D. of 0.122".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B1-9
Ends Closed & Ground
Finish None
Free Length 0.59 in
Inside Diameter 0.122 in
Material 302/304 Stainless Steel
Outside Diameter 0.188 in
Part Type Standard
Rate 44 lbs/in
SKU B1-9CS
Solid Length 0.38 in
Suggested Max Deflection 0.16 in
Suggested Max Load 6.8 lbf
Total Coils 11.5
Wire Diameter 0.033 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B1-9
Ends Closed & Ground
Finish None
Free Length 14.99 mm
Inside Diameter 3.1 mm
Material 302/304 Stainless Steel
Outside Diameter 4.78 mm
Part Type Standard
Rate 7.7 N/mm
SKU B1-9CS
Solid Length 9.65 mm
Suggested Max Deflection 4.06 mm
Suggested Max Load 30.25 N
Total Coils 11.5
Wire Diameter 0.84 mm
The B1-9CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.033" diameter 302/304 stainless steel, the B1-9 spring design exhibits reliable strength across its 11.5 active coils, withstanding repeated compression cycles with a maximum load of 6.8 lbf without succumbing to fatigue.

We manufacture the B1-9 design to provide a compression spring that is 0.59" long at rest and provides a consistent rate of 44 lbs/in along its recommended maximum of 0.16" deflection. For best results, your application should fully accommodate the inner (0.122") and outer (0.188") diameters of this spring and be designed for its closed & ground end configuration.

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