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B12-7 - 0.72 Inch, 3.7 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 16.8 coils and Closed & Ground ends. This spring features an O.D. of 0.125 Inch, an I.D. of 0.095 Inch, and a spring rate of 3.7 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name B12-7
Ends Closed & Ground
Finish None
Free Length 0.72 in
Inside Diameter 0.095 in
Material Music Wire
Outside Diameter 0.125 in
Part Type Standard
Rate 3.7 lbs/in
SKU B12-7CS
Solid Length 0.25 in
Suggested Max Deflection 0.43 in
Suggested Max Load 1.6 lbf
Total Coils 16.8
Wire Diameter 0.015 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B12-7
Ends Closed & Ground
Finish None
Free Length 18.29 mm
Inside Diameter 2.41 mm
Material Music Wire
Outside Diameter 3.18 mm
Part Type Standard
Rate 0.65 N/mm
SKU B12-7CS
Solid Length 6.35 mm
Suggested Max Deflection 10.92 mm
Suggested Max Load 7.12 N
Total Coils 16.8
Wire Diameter 0.38 mm

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