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M-57 - 0.78 Inch Music Wire Extension Spring

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

Regular extension spring in Music Wire. This spring features an O.D. of 0.219 Inch and an initial tension of 0.7 Pound.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name M-57
Ends Machine Hook
Finish Zinc
Initial Tension 0.7 lb
Length 0.78 in
Material Music Wire
Outside Diameter 0.219 in
Part Type Standard
Rate 7.2 lbs/in
SKU M-57CS
Sugg Max Deflection 0.62 in
Sugg Max Load 5.1 lbf
Wind Direction Left
Wire Diameter 0.028 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name M-57
Ends Machine Hook
Finish Zinc
Initial Tension 0.32 kg
Length 19.81 mm
Material Music Wire
Outside Diameter 5.56 mm
Part Type Standard
Rate 1.26 N/mm
SKU M-57CS
Sugg Max Deflection 15.75 mm
Sugg Max Load 22.68 N
Wind Direction Left
Wire Diameter 0.71 mm

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