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B7-25 - 0.34 Inch, 3.9 Inch Pounds Music Wire Compression Spring

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

Regular compression spring in Music Wire with 3.75 total coils and Closed & Ground ends. This spring features an O.D. of 0.343 Inch, an I.D. of 0.303 Inch, and a spring rate of 3.9 Inch Pounds.

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name B7-25
Ends Closed & Ground
Finish None
Free Length 0.34 in
Inside Diameter 0.303 in
Material Music Wire
Outside Diameter 0.343 in
Part Type Standard
Rate 3.9 lbs/in
SKU B7-25CS
Solid Length 0.08 in
Suggested Max Deflection 0.27 in
Suggested Max Load 1 lbf
Total Coils 3.75
Wire Diameter 0.02 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B7-25
Ends Closed & Ground
Finish None
Free Length 8.64 mm
Inside Diameter 7.7 mm
Material Music Wire
Outside Diameter 8.71 mm
Part Type Standard
Rate 0.68 N/mm
SKU B7-25CS
Solid Length 2.03 mm
Suggested Max Deflection 6.86 mm
Suggested Max Load 4.45 N
Total Coils 3.75
Wire Diameter 0.51 mm

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