Apartment renovation often raises many questions among the owners. They are associated not only with the design of the room, but also with the choice of materials and the necessary tools. As a rule, a drill / driver is an indispensable thing for any design transformations of a house or apartment. Such drills allow you to easily and quickly tighten the screws, screws. There are tools designed for professionals and for everyday use. Only models differ, their characteristics, price category.

The well-known company Bosch produces not only household appliances, but also construction tools. Drills of its production have a switch on the body, designed to change the direction of rotation of the tool holder (clockwise or counterclockwise). The "reverse" mode helps to remove the drill bit stuck in the part. In addition, the drill / driver has an impact-resistant housing and a regulator designed specifically to change the drilling mode and torque value. There are the following types: power drills, cordless and dynamometric. Bosch manufactures high-capacity batteries for drills using a special technology that allows them to maintain a charge for a long time. Tools equipped with a battery are in no way inferior to those drills that operate on the mains.

Bosch drill / driver belongs to the professional class. It is very convenient to operate, which is facilitated by its compact size and light weight. The tool is designed to quickly screw in screws, and equally copes with various materials. The ergonomic design of the cordless drill allows you to make its operation very comfortable. This is facilitated by the presence of an overlay on the tool handles. The area where you can use a drill / driver is very wide. The tool has 2 speeds and has the ability to adjust the torque. Changing the speed of rotation passes smoothly thanks to the switch that the tool is equipped with; There is a keyless chuck and an interlock. Drills and bits can be changed without interrupting work with one hand. The largest screw diameter that is suitable for a drill is seven millimeters, the drilling diameter is eleven millimeters.

Bosch produces a battery-powered impact drill / driver . The tool is very compact (195 mm) and light (1900 grams). The tool has a hammer drilling function, which is applicable for drilling holes in masonry. The drill has a very powerful torque, it allows for hard (67Nm) and soft (28Nm) screwdriving. The number of strokes reaches a maximum of 25500 rpm.
Drills that run on the network allow you to limit the depth of screwdriving. A drill screw driver belonging to this class has a limiter sleeve and a disconnect clutch. The tool can have a power of 700 watts. The maximum that its torque reaches is 12Nm. With these characteristics, the drill allows you to very gently and smoothly screw into any metal screws and screws. Torque screwdrivers have a small weight and dimensions, which makes them similar to cordless tools. According to the number of revolutions of the cartridge, drills are divided into two classes: high-speed (two thousand five hundred revolutions per minute) and low-speed (thousand revolutions per minute). To adjust the torque there is a manual adjustment.