How to choose an electric drill?

<p>The choice of electric drill is as follows:</p><p>1. The choice of the size of the electric drill bit: As the size of the<a href="https://www.worksitetool.com/" rel="noopener noreferrer" target="_blank"> electric drill </a>bit increases, its price will also increase. The size of the electric drill bit for the home is generally 20mm.</p><p>2. Selection of additional functions of electric drill: the same model, there will be some additional functions, for example, the R in the model indicates that the drill bit can be reversed, the advantage is that when the forward rotation is not possible, it can be converted to reverse; An E indicates that the electric drill can be adjusted in speed. When a high speed is not needed, it can be adjusted to a low speed.</p><p>3. Use choice of electric drill: Take the indoor ceiling as an example, the ceiling is made of reinforced concrete, such as using an impact drill to drill holes will take a lot of energy, but the version will not use this to hit the wall, so the impact The drill is suitable for daily use in the family, but for the punching staff, the hammer drill should be preferred. When hitting the 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. In the process of using the hammer drill, the right person needs to continuously apply force to make it rotate, and the hammer drill is used. At the time, just apply a little force at the beginning to make the drill bit move forward automatically.</p><p>When choosing, you should also pay attention to check: the outer packaging, appearance, nameplate and manual of the electric drill, etc.</p>