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Hardware fair

A mounting screw, called commonly live, is a mechanical organ, with a threaded shaft and a head; It is intended to achieve one or several pieces by pressure setting. The fixing by screw binds plan on removable level, by prestressed plating of the two parts to be assembled. As long as the traction forces applied on the link do not exceed the tension at rest by the screws (known as "claim"), Assembly has the stiffness of the assembled pieces.

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