- Sep 12, 2017 -
1. Electric bit size selection. With the increase of the size of the electric bit, the price will also increase, the size of the household drill head is generally 20mm can be enough.
2. Electric Drill Additional function choice: the same type of, there will also be additional features, such as the one in the model where r indicates that the drill bit can be reversed, and the advantage is that it can be converted to reverse when a positive turn is not available;
3. In the furniture supermarket to see the electric drill set of promotional, do not mind fever, buy immediately, to see whether practical.