Screw attaching fittings especially to wooden window frames has its threaded zone coated with a material containing an antimicrobial agent

摘要

The threaded zone (14) of a screw (12) attaching elements to wooden profiles, plates is at least partially provided with a coating (20) which is applied before use such that it is in a dried, set or hardened state during installation of the screw, the coating (20) containing an antimicrobial agent preventing fungal and/or bacterial infestation in the wood in the screw hole (26).