Classification of dowels and features of their use
Choosing dowels, it is necessary to be guided by several characteristics. These include the estimated load on the dowel, type of base material, type of fastening. In case the weight of the structure is impossible, the dowels should be preferred for a large load.
Types of dowels.
The most common is ordinary nylon dowel. For this type, the hole of the appropriate diameter is drilled, the dowel is inserted there, the screw and, thus, the mount is pressed into the surface.
Another traditional type of dowel is dowels for aerated concrete. For this type, a suitable core is drilled in size. The dowel is clogged with a hammer and grinned with a screw.
The universal type dowel is characterized by the fact that with their help you can determine the hollow space. If the dowel is recorded in the hollow space, it is fixed in it. Metal dowels are designed for large loads, their plates clamp the inner part of the surface. Gvostar dowels are used if it is necessary to attach a large number of them. The dowel with a special nail is inserted into the hole and the nail is clogged. Dowels for softer materials are screwed up with a screwdriver without drilling.