Custom Music Wire Black Spiral Double Wire Bending

Custom Music Wire Black Spiral Double Wire Bending

Product Details

Product name

Factory custom paino steel black spiral double wire bending hook extension spring

Wirie Diameter

0.1-20mm are available


All kinds of cars ,machinery, home appliance, electronic products, computers, power switches, sport equipment and more


inner-- PE bag, outer--standard carton box or you requirement

Quality Control

Manufacturing processes inspection per hour and per batch.

Tolerance control : DIN, JIS Standard.


CNC spring machine imported from Japan, Germany and Taiwan and twisting machine ,loading machine, projector, spring tension and compression testing machine.

Extension springs supply a force by extending or pulling on them.   Typically they are cylindrical helical springs made out round wire and have either machine loops or cross center loops.  However they can be made conical, oval, barrel or virtually any other shape.  The ends can be plane, extended, square or anything else you can imagine.

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