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B9-30 - 0.44 Inch, 82 Inch Pounds Spring Steel Compression Spring

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

Compression spring manufactured from Spring Steel with 4.5 coils and Closed & Ground ends. This spring features an O.D. of 0.312 Inch, an I.D. of 0.23 Inch, and a spring rate of 82 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name B9-30
Ends Closed & Ground
Finish None
Free Length 0.44 in
Inside Diameter 0.23 in
Material Spring Steel
Outside Diameter 0.312 in
Part Type Standard
Rate 82 lbs/in
SKU B9-30CS
Solid Length 0.18 in
Suggested Max Deflection 0.1 in
Suggested Max Load 8.3 lbf
Total Coils 4.5
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B9-30
Ends Closed & Ground
Finish None
Free Length 11.18 mm
Inside Diameter 5.84 mm
Material Spring Steel
Outside Diameter 7.92 mm
Part Type Standard
Rate 14.36 N/mm
SKU B9-30CS
Solid Length 4.57 mm
Suggested Max Deflection 2.54 mm
Suggested Max Load 36.92 N
Total Coils 4.5
Wire Diameter 1.04 mm

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