How can I use an electric drill to punch holes in the wall?
Use bit selection (it is recommended to choose an impact drill with an alloy cutter head). The ordinary drill is generally not impact, it is common to drill steel material, its range of drilling in the No. 45 steel under suitable cement wall, the hardness more than this range, the bit edge ablation, drill into understandable.
Drill holes into the wall with an electric drill. It may be a tool that is not working or the hole is out of place and a steel bar is caught. For the location of the wrong place, re drilling; tools do not change; use the impact of the electric drill,
Cement wall drilling:This small hole is less than 30mm, using impact drill, see big hole, big trumpet, percussion drill and drills of different diameters.This large 50mm about to use the core machine, according to the size of the core machine of various specifications and depth.
