How to use an electric drill? How to install a drill bit on an electric drill

1, disconnect the power supply of the electric drill first, then put on protective gloves, hold the electric drill in the left hand, hold the gourd mouth of the electric drill in the right hand, and then rotate it hard, so that the small hole of the electric discharge drill comes out.

2. Secondly, insert the square end of the drill bit into the hole and rotate it again.

3. Finally, tighten it with a special key, plug in the power supply, and idle for a while to see if it is firm, so that the installation is completed.

What is the operating specification of hand electric drill?

1 When using an electric drill, the electric drill must have a protective device that is grounded or connected to the zero line.

2. The power cord of the electric drill shall not be broken or knotted, and it shall be kept away from places with oil, water and corrosive liquid to avoid accidents.