Because you do not fix fitted kitchen furniture and a photo frame in the same way here are some tips and practical advice to become an expert in the matter.
Survey your surface
Before you start fixing your furniture or your object, check the characteristics of your support. To know if you are dealing with a wall or a partition, you just have to probe your surface ... by ear. If when you tap it closed point it sounds hollow, it is certainly a partition, most often in plasterboard. If on the contrary it does not resonate: it is a concrete or stone wall.
Solid walls: robust pegs
For walls, always be sure to choose specific dowels for these surfaces. Robust, they anchor securely in the wall to be able to support loads that can go from 15 to 50 kilos. There is a dowel called "Fisher" suitable for concrete and stone. Designed in nylon, it is equipped with two pins that will hang on the surface when the dowel is placed. Steel anchors are also recommended. To be fixed with a hammer, they are perfect for concrete surfaces and loads of up to 50 kg. Always make sure your screws match the size of your ankles.
Hollow walls: bet on suitable pegs
The structure of hollow walls requires fixing with suitable dowels. Even if the material today proves resistant, it is, however, not recommended to use it to fix heavy loads. Otherwise, reinforce your fixing by positioning a wooden cleat or support at the base of your furniture. The most frequently used dowels for this type of surface are "Molly" dowels. Marketed with their screw, this dowel is fixed with an expanding pliers. They are perfect for loads not exceeding 50 kilos. For lighter objects, below 20 kilos, you can opt for nylon anchor pegs.