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A12-70 - 1.38 Inch, 20 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 12 coils and Closed ends. This spring features an O.D. of 0.296 Inch, an I.D. of 0.218 Inch, and a spring rate of 20 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name A12-70
Ends Closed
Finish Zinc
Free Length 1.38 in
Inside Diameter 0.218 in
Material Music Wire
Outside Diameter 0.296 in
Part Type Standard
Rate 20 lbs/in
SKU A12-70CS
Solid Length 0.51 in
Suggested Max Deflection 0.53 in
Suggested Max Load 10 lbf
Total Coils 12
Wire Diameter 0.039 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name A12-70
Ends Closed
Finish Zinc
Free Length 35.05 mm
Inside Diameter 5.54 mm
Material Music Wire
Outside Diameter 7.52 mm
Part Type Standard
Rate 3.5 N/mm
SKU A12-70CS
Solid Length 12.95 mm
Suggested Max Deflection 13.46 mm
Suggested Max Load 44.48 N
Total Coils 12
Wire Diameter 0.99 mm

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