To understand what dowel you need and, how to correctly mount it, it is recommended to look here, for general familiarization with the category of this fastener. For each type of supporting base, it is recommended to choose the right optimal survey method, given that for a strong base, the survey is used for friction, and for porous — survey using the shape of the sleeve itself. Basically, in practice, frame anchor dowels for bracket mounts are used. They differ in a cone -shaped “vapotite” head and are used when attaching a window frame or wood timber, which provide for the presence of cone -shaped planting sockets or material that allows you to form a nest when installing and fixing a dowry.