A drill can be divided into categories:

Hand electric drill, impact drill, hammer drill.

Control range is limited to wood drilling and when an electric screwdriver, hand electric drill: power is minimal. Do not have too much of a practical price, do not recommend to buy. But cannot drill concrete, attack drill: can perhaps wood drilling, drilling iron and drilling and brick. Some attacked shows the drilling concrete drill, actually it is not feasible, but for drilling the cement in the ceramic tile and brick on the outer layer is very thin is absolutely no grades the manipulation of the widest range of hammer drill, electric hammer) can drill holes in any material function has said, these three drill price from low to high alignment. Specific how to choose, need to contact their respective applicable scope and requirements.

Selected drill way:

The ceiling made of reinforced concrete in indoor ceiling, for example. Such as running attack drill hole to great strength, has used its punch is installed on the ceiling lights, effect lights haven't installed before was dropped several bit; But to play with the wall will not appear this kind of environment, therefore attack drill is suitable for daily use in the family, but for punching mission staff, should be first selection hammer drill. Hammer drill will be more effort than attack drill, at the wall. Link in both structure and mission sense of differences, here I don't quote jargon and terminology explained the TX is not interested in, can use the most straightforward words to express, attack the drill in the process of using constant force f and the necessary people make its rotation, and manipulates the hammer drill, only start light fine imposed a little force to make a bit forward automatically.

Buy a drill must understand matters:

The price goes up, the electric drill size choices. With the increase of electric drill size. For me personally, household electric drill bit size of the individual is 20 mm is enough. But according to individual circumstances. Choice: additional features, for example, electric drills will also have some additional features of the same type.

Type of R said bit can perhaps positive &negative, its advantage is that when the turn is not convertible into reverse; Models have E said electric drill can perhaps speed, when don't need high speed can be adjusted to low speed running, of course the more functions, higher prices will follow. Choose not to choose, see personal love. In addition there are wei (DeWalt xi gains (Hilti wheat Pacific (METABO Stanley (Stanlei wei han (Wiha festo (FESTOOL are good alternative brands, such as 3. Product brand choice. Everyone knows the BOSCH (BOSCH brand electric drill and moral character is the best. But the price is expensive, disciplined BOSCH (BOSCH product price is 2 times of other brands of similar products, so when the budget shortfalls, can choose other brands.

Don't mind fever, when you have to wait for furniture, The Times saw electric drill set sales promotion in the supermarket. Procurement immediately, want to see the real is not practical, as far as I know, all suit mostly aimed at hand electric drill and attack drill because its price is cheaper, get a suit can attract popularity. Reality, hand electric drill sets without the need of procurement, looks cheap, but it is must, can, of course, the price may be less than 200 yuan, can suit with the tools and moral character is bad, and many objects you can perhaps roots is not, it is better to buy an electric drill, when it is necessary to add the appropriate object. Itself to offer you the best professional markets in purchasing tools. Can shop around, so can with the cheapest price to buy the product of the most practical.