How to drill a vertical hole
Correct drilling in 7 steps
Drilling is one of the most common jobs done around the house. The choice of drill and drill is just as important as the correct position, the drilling angle and knowledge of electricity and water pipes. In the following 7 steps, OBI explains how you can avoid crooked or too large drill holes and achieve perfect results.
Tip: Extend the life of your drill by thoroughly cleaning the drill chuck and drill bit after drilling.
Step 1 - Mark the drill hole before drilling
Before drilling, you should check the wall for electricity and water lines. To do this, use a location device to examine the wall at the desired location for power lines, iron or metals. As a rule, the power lines run vertically and horizontally in the wall in so-called installation zones. Special care should be taken vertically and horizontally from sockets, 15 to 45 cm above the floor, 15 to 45 cm below the ceiling and 10 to 30 cm next to door frames, windows and corners of the room.
After you have checked the wall, mark the drill hole in a suitable place with a pencil. For smooth surfaces, e.g. B. For tiles, you should mark the drill hole to prevent the drill bit from slipping. A strip of fabric adhesive tape over the drill hole can also provide more hold here.
Step 2 - Select and mount the drill
Check the condition of the wall with the tapping test: hollow noises indicate plasterboard that is easy to drill, dull tones suggest a solid wall made of natural stone or concrete. If you are unsure, use a thin drill to make a test hole in a hidden area.
Choose your drill according to the wall you want to drill into: a conventional drill without impact function for easy-to-drill plasterboard, aerated concrete and wood, an impact drill for natural stone and brick or a hammer drill for hard concrete. A drill with a rechargeable battery is ready for use anywhere, even if there is no power outlet nearby, whereas a drill with mains operation does not have to be recharged.
Depending on the material, you should use a masonry drill, wood drill or metal drill and, of course, the corresponding dowel: for plasterboard, gypsum fiber or wall construction panels, plasterboard dowels or spring-loaded dowels, for perforated stone use aerated concrete dowels, for masonry made of solid stone and concrete, expansion dowels. All-purpose dowels can be used for other walls.
Adjust the size of the drill to the dowel diameter. Use a smaller drill diameter for porous walls to avoid holes that are too large. Insert the drill into the drill chuck and fix it with the screw mechanism of the drill chuck.
Step 3 - Mark the drill hole depth before drilling
The drill hole depth should correspond to the sum of the dowel length and diameter. To achieve the desired drill hole depth, simply mark the corresponding point on the drill with colored adhesive tape. Some drills also have an adjustable depth stop.
Step 4 - Choosing a safe standing position
When drilling, it is important to work from a firm stand. To do this, stand facing the wall with the drill in hand and take a lunge step on the wall. Right-handed people step forward with their left leg, left-handed people with their right. If you work on the ladder to secure it, ask for help from someone else.
Step 5 - drill wall hole
Place the drill at a right angle to the wall. To catch the drilling dust, attach an open envelope to the wall below the drilling location with double-sided adhesive tape or ask someone to help you collect the dust with a vacuum cleaner while drilling. Set the rotary drilling function and drill evenly, without excessive pressure, through the plaster. In the case of clad brick, natural stone or concrete walls, then set the hammer drill function and drill until the desired drill hole depth is reached. Turn off the drill press and pull it out. If necessary, use the reverse function.
Step 6 - Clean the borehole after drilling
The drill hole must be free of dust so that the dowel and screw find the right hold. To remove residue, clean the drill hole with a vacuum cleaner or use a small brush.
Step 7 - Check and correct the borehole
Check the drill hole using the dowel to be used. If the drill hole is too small, repeat the drilling process with a larger drill. If the drill hole is too big, fill the hole with filler and push the dowel into it. Remove any excess filler and wait two hours before screwing in the screw.
Follow our tips for correct drilling and drill the perfect hole - in 7 steps with OBI.
- Tracking device
- drilling machine
- Hammer drill
- Ladder or step
- vacuum cleaner
- duct tape
OBI Bau- und Heimwerkermärkte Systemzentrale (Schweiz) GmbH excludes any liability in the event of improper and professional assembly in accordance with the instructions and in the event of incorrect use of the article. Pay attention to the observance of personal safety during the implementation, wear appropriate protective equipment if necessary. Electrical work may only be carried out by qualified electricians. Do not do this unless you are familiar with the rules that apply to you. We strive for the greatest accuracy in all details.
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