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KK-31 - 0.75 Inch, 12 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 19 coils and Closed ends. This spring features an O.D. of 0.125 Inch, an I.D. of 0.085 Inch, and a spring rate of 12 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name KK-31
Ends Closed
Finish None
Free Length 0.75 in
Inside Diameter 0.085 in
Material Music Wire
Outside Diameter 0.125 in
Part Type Standard
Rate 12 lbs/in
SKU KK-31CS
Solid Length 0.4 in
Suggested Max Deflection 0.31 in
Suggested Max Load 3.7 lbf
Total Coils 19
Wire Diameter 0.02 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name KK-31
Ends Closed
Finish None
Free Length 19.05 mm
Inside Diameter 2.16 mm
Material Music Wire
Outside Diameter 3.18 mm
Part Type Standard
Rate 2.1 N/mm
SKU KK-31CS
Solid Length 10.16 mm
Suggested Max Deflection 7.87 mm
Suggested Max Load 16.46 N
Total Coils 19
Wire Diameter 0.51 mm