1 selection method
In the case of indoor ceilings, the ceiling is made of reinforced concrete. If drilling with a percussion drill, it will take a lot of effort, but it will not happen when it is used to hit the wall. Therefore, the impact drill is suitable for daily use in the home. But for the punching staff, the hammer drill should be preferred.
When hitting a wall, the hammer drill will be more labor-saving than the impact drill. The key is that the structure and working principle of the two are different. The impact drill needs to be constantly applied by the impact drill during the use, and when using the hammer drill Just apply a little force at the beginning to get the drill to move forward automatically.
Hammer drill - For household use, it is most suitable to buy a hammer drill with a price of around 750 yuan.
2. Purchase precautions
1. Selection of electric drill size. As the size of the electric drill increases, the price will increase accordingly. The size of the household electric drill is generally 20 mm.
2. Additional function selection of electric drill: There are some additional functions for the same model. For example, if the model has R, it means the drill can be reversed. The advantage is that when the forward rotation is not possible, it can be converted to reverse; E means that the drill can be speed-adjusted and can be adjusted to low speed when no high speed is required.
3. The choice of product brand. There are Bosch (BOSCH) cards, in addition to DeWalt, Hilti, METABO, Stanley, Wiha, FESTOOL, etc. are all good. Optional brand.
4. When you see the promotion of the electric drill set in the furniture supermarket, don't be too hot, buy it immediately, depending on whether it is practical.
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