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B9-51 - 3.25 Inch, 12 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 12.5 coils and Closed & Ground ends. This spring features an O.D. of 0.718 Inch, an I.D. of 0.578 Inch, and a spring rate of 12 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name B9-51
Ends Closed & Ground
Finish None
Free Length 3.25 in
Inside Diameter 0.578 in
Material Spring Steel
Outside Diameter 0.718 in
Part Type Standard
Rate 12 lbs/in
SKU B9-51CS
Solid Length 0.88 in
Suggested Max Deflection 1.3 in
Suggested Max Load 16 lbf
Total Coils 12.5
Wire Diameter 0.07 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B9-51
Ends Closed & Ground
Finish None
Free Length 82.55 mm
Inside Diameter 14.68 mm
Material Spring Steel
Outside Diameter 18.24 mm
Part Type Standard
Rate 2.1 N/mm
SKU B9-51CS
Solid Length 22.35 mm
Suggested Max Deflection 33.02 mm
Suggested Max Load 71.17 N
Total Coils 12.5
Wire Diameter 1.78 mm

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