Do you use an ordinary electric drill at home for an alloy drill bit?
Hammer: single wall drilling tool. Compared with the percussive drill, it is much higher than the impact drill;
1, ordinary drill: iron, wood, plastic and other drilling;2, impact drill: the general impact drill is dual-use. First, the function of the ordinary electric drill, two is adjusted to hammer, punching function, put on alloy drill, you can drill in the wall, but drilling ability is poor;
Electric shock: rotation, and hammer is different single hammer, but the hammering force is its strength. Hammer hit is out of the hole, and the hammer is empty irregular.
