What size is the drill bit used to install the ceiling drill?
The basic requirement of lamp installation is that it must be firm. Installation of various types of lamps should be installed according to the requirements of lighting installation. If the weight of the lamp is greater than 3kg, the embedded hook shall be used or the hanger shall be fixed directly from the roof with expansion bolts.
Use a 6 mm drill. Fixed lamps, such as no special requirements, the walls are generally 6 mm hole opening, installation of their own use, percussion drill must be fitted with matching drill. Pay attention to the drilling depth when drilling, and make sure the expansion screw is fully accessible.
