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B15-18 - 0.53 Inch, 29 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 4.5 coils and Closed & Ground ends. This spring features an O.D. of 0.188 Inch, an I.D. of 0.144 Inch, and a spring rate of 29 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name B15-18
Ends Closed & Ground
Finish Gold Iridite
Free Length 0.53 in
Inside Diameter 0.144 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 29 lbs/in
SKU B15-18CS
Solid Length 0.1 in
Suggested Max Deflection 0.11 in
Suggested Max Load 3.3 lbf
Total Coils 4.5
Wire Diameter 0.022 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B15-18
Ends Closed & Ground
Finish Gold Iridite
Free Length 13.46 mm
Inside Diameter 3.66 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 5.08 N/mm
SKU B15-18CS
Solid Length 2.54 mm
Suggested Max Deflection 2.79 mm
Suggested Max Load 14.68 N
Total Coils 4.5
Wire Diameter 0.56 mm

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