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B9-4 - 0.63 Inch, 8.6 Inch Pounds Music Wire Compression Spring

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

Compression spring manufactured from Music Wire with 4.25 coils and Closed ends. This spring features an O.D. of 0.281 Inch, an I.D. of 0.237 Inch, and a spring rate of 8.6 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name B9-4
Ends Closed
Finish Black Oxide
Free Length 0.63 in
Inside Diameter 0.237 in
Material Music Wire
Outside Diameter 0.281 in
Part Type Standard
Rate 8.6 lbs/in
SKU B9-4CS
Solid Length 0.12 in
Suggested Max Deflection 0.26 in
Suggested Max Load 2.3 lbf
Total Coils 4.25
Wire Diameter 0.022 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B9-4
Ends Closed
Finish Black Oxide
Free Length 16 mm
Inside Diameter 6.02 mm
Material Music Wire
Outside Diameter 7.14 mm
Part Type Standard
Rate 1.51 N/mm
SKU B9-4CS
Solid Length 3.05 mm
Suggested Max Deflection 6.6 mm
Suggested Max Load 10.23 N
Total Coils 4.25
Wire Diameter 0.56 mm

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