Electric drills can be divided into three categories: electric hand drills, percussion drills, and hammer drills (electric hammers).
1. Hand drill: It has low power and can be used for drilling wood and as an electric screwdriver. It does not have much value, so purchase is not recommended.
2. Percussion drill: It can drill wood, iron and bricks, but cannot drill concrete. Some percussion drills indicate that concrete can be drilled. It is not feasible, but there is no way to drill tiles and concrete with a thin outer layer of bricks. questionable.
3. Hammer drill (electric hammer): It can be used to drill holes in the data.
The functions have also increased accordingly. For details on how to choose, contact the respective scope of application and requirements.