# How to drill a vertical hole with a drill. Cast iron drilling how to do it competently

## How to drill a vertical hole evenly: two ways to drill a vertical hole with a drill. Testing, results and conclusions. | The carpentry at home

I propose to consider two fairly known ways to drill strictly vertical holes with a drill. I used both ways at different times, but never compared them. Here I propose such a comparison.

### The first method. Testing.

The first method is to drill with support on two sides with angles of 90 degrees.

The simplest use for this is two bars with the right geometry.

I checked the hole after drilling on both sides, according to the drill inserted into it. The result is acceptable.

### The second method. Testing.

The second method of drilling vertical holes using a mirror. When drilling, it is necessary to ensure that the reflection of the drill and the drill itself are on the same line.

It turned out to drill with small deviations.

As an alternative to the mirror, I tried to apply the old computer disk.

The disk shows worse and the result also turned out worse.

The result is quite predictable. The deviation is quite significant.

### Findings.

In order to quickly and with a good result, drill a vertical hole without machines and any special devices is enough pair of bars with angles of 90 degrees.

Perhaps the mirror will also be effective, only in the mirror it is desirable to have a hole for better control, and this method requires some skills.

For completeness, I offer a video video where you can see this testing completely.

Thank you for reading. I will be glad of your support in the form of like and subscription to the channel. And see other publications on the channel.

## How to drill a perpendicular hole with a drill

### How to drill a hole exactly

It will be quite frequent inconsistent that the drill slides with a mark, and the hole is not made in a suitable place. Catching cardboard adhesive tape, glued on top of a tree, can fight this. Also, sometimes such difficulties appear in this case if you have to work with a very thick drill. Then you should first make a recess in the material with a narrower drill, and then drill, resting on the label made.

Fundamentally direct attention to the quality of sharpening. If the edges are not sharp enough or sharpened unevenly, then hinders may appear with the accuracy of drilling.

### Subtleties of drilling for various materials. We recommend reading. At what revolutions should be drilled

One of the fundamental characteristics in drilling is the number of rpm. The speed with which must be drilled is depending on the type of material and the type of drill. There is a generally accepted rule: the harder the material and the thicker the thicker, the smallest the amount of rpm should be. As for certain numbers, they can be seen in the table below.

 Drill diane, mm Soft tree hard tree plastic (acrylic) copper aluminum steel Notes one.5-4.Eight 3000 3000 2500 3000 3000 3000 When drilling metal thicker than 3 cm, lubricate the drill adhesive drill. 6.4-9.5 3000 1500 2000 120 2500 1000 eleven.1-15.Nine 1500 750 1500 750 1500 600 17.4-25.4 750 500 – 400 1000 350

This table is created for ordinary spiral ruins. For specific options (Frostner drill and t.D.) the drilling speeds of different materials are slightly different from the above.

## A similar video

I was tortured at one of the forums about drilling perpendicular holes, for example, about the method with a mirror (but I like the path with an angle, which is simple). Corners in household / system stores are sold massively, you need to choose your choice is not color. The, the longer (above) the base, the higher the accuracy. This is a one.Time work, in the absence of a rack for a drill or a conductor (which usually saves time every minute, eliminating the pace of labeling non.Acute corrosion).

## How to drill a concrete wall with a conventional drill

In the life of every person there comes the moment when it is necessary to make repairs in the house or apartment. And then the question arises of remaking space: transferring outlets, updating wiring and drilling other holes for the implementation of the design project of the room.

In the process of performing work, a variety of tools and drills are used. Of course, customers always prefer more powerful models. The market presents a large selection of the tool with which work is organized.

### The principles of choice

Most cases involve the use of perforators. This tool is in stock of more capacities, it allows you to break even very thick walls. This tool can always be drilled large in the diameter of the region. It is advisable to use it in the following situations:

• When you need to make a hole in size up to 10. 12 mm;
• When you need to drill a lot of holes. In this case, the size of each of them intends to be large enough;
• When working on coatings in which there is a foam.

All masters should be known that drills can be classified according to their shock capacities.

Some models can be used to drill concrete coatings, others are designed for use with certain nozzles.

It is important that the alloy from which the nozzles are made are high quality. High.Quality alloys are the key that the drill will not fail for a long time.

### It all depends on the nozzle

Before starting the repair, it is necessary to draw up a small estimate in the installation work in order to understand exactly which equipment will be needed in the process.

All nozzles for the drill can be divided by type of work:

• For making holes;
• For angular drilling;
• Stops for a drill;
• For grinding;
• For cutting;
• For polishing;
• Mixers nozzles.

As well as by the type of material on which work takes place:

Subtle factors are also the length of the equipment and alloy from which the nozzle is made.

What work may be needed by drilling:

• Laying of plumbing highways;
• Stroke of walls for laying electric cables;
• Drilling sockets;
• Small holes for hinged cabinets and shelves.

### How to drill concrete with a drill

First you need to know exactly that the necessary nozzle has been selected. It is always necessary to drill at low speeds. Usually, the tool is in operation for 10 or 12 minutes.

Continuing this time, it is guaranteed that it will not overheat and not accidentally break. If the drill of the tool accidentally remains in the thickness of the wall, it is necessary to gently extract it. You can not use force.

Perhaps the drill will break and its fragments will remain in the thickness of the wall. If necessary, the drill is easily disconnected from the nozzle.

The drill must be kept strictly perpendicular to the surface. If this is not observed, there is a risk of damaging the drill, and sometimes leave a dent. It is also important to take care so that the dust from drilling does not get into the eye. For this they purchase protective glasses.

Gloves can also be used to prevent hand gliding during the technological process. Only a person who has quite strong hands can be drilled qualitatively. Because the process requires the cost of significant efforts.

### Features of concrete coating

First, select the drill. If the wall is made of concrete or brick masonry it is better to give preference to winning nozzles, since the material turns the material into crumbs at the place of drilling. But not suitable for other surfaces, for example, if you drill the wooden boards of the fibers to break, and the hole will turn out to be inaccurate.

When drilling a concrete surface, it must be taken into account that there will be a lot of dust, so you need to prepare a vacuum cleaner to collect garbage from the hole. This of course does not guarantee absolute cleanliness when performing work, but allows you to reduce the amount of dirt.

Before starting to drill, it is necessary to check if they pass in that place of communication. Damage to electrical wiring will entail the injection of additional funds into its restoration. Previously, the wall must be called for this you can use the signaling device or metal detector.

We begin to drill at low speed, this will increase the accuracy of work. After that we increase the speed.

Serlo should enter the surface at one angle so that the direction of drilling does not get down and the hole turned out to be the right size.

If a hole is made for the dowel, it should be longer than the dowel itself so that it can be installed on a flush with the wall and it does not stick out.

### How to drill tiles with a drill

Ceramic surfaces have established themselves as especially fragile coatings. The outcome of drilling in such zones is determined by the quality of laying the tile itself.

If the workshop that performs the work did not make errors during installation work, then the process of drilling should pass without interference. Competent styling is understood as one in which empty zones are not formed between the wall and the coating.

If there are voids between the tiles and the wall, then the tile can burst or break off during drilling.

Start by choosing a drill. There are specialized nozzles for ceramics and glass, but you can use the concrete equipment with a winning spraying. It is important that the concrete drill is quite new, otherwise it will slide along the tile and scratch the base, which will lead to spoilage.

The process of drilling a tile should be at small speeds to prevent chips of icing coating of a decorative surface. After you drilled ceramics, we change the drill, if you use a drill on ceramics, we make a hole in the wall.

### How to drill wooden surfaces

Wood is the easiest material for drilling. But there are certain features of the technological process that must be observed so as not to spoil the surface and not to break the equipment. Speed ​​parameters depend on the type of wood coating. Lovely samples are easy to drill. The following types of wood equipment can be distinguished:

## Samodelkino

And by the way, to all those to whom this method will seem fantastic, at the end of the publication there will be a video with this, and another simple way to drill at a right angle.

Who at least once tried to drill a hole at a right angle (90 °) with a drill or screwdriver, then he knows that it is impossible to do this by eye.

Of course, for this you can use cheap devices for a drill, but more often there is only a screwdriver at hand, which simply does not get into such a device. You need to look for a drill, insert it into a special device, and all this is a loss of precious time.

And just let’s look at the option that there is neither a drilling machine, nor a device for drilling, only a screwdriver, because this can often be outside the walls of the workshop.

What do we need? Ordinary mirror small size.

If you want to drill a right angle in this way, you will have to tinker a little and fill your hand, but then you can surprise your friends and acquaintances with almost a FOCUS. By the way, in addition to the mirror, you can use a compact disk (there are still such in nature?), or more, something else from what the drill will be reflected. The whole trick is that the drill and its reflection in the mirror are lined up in a straight line.

Well, now we’ll just drill, trying not to violate this very straight line. Let’s check the result?

I will warn immediately before writing angry reviews, try several times, a working method.

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## How to drill a vertical hole with a drill

“Drill” How to drill a perpendicular hole with a drill

### How to drill a drill correctly and evenly

In the field of repair, the ability to drill properly is one of the basic.

In addition to general rules, it is important to consider all the nuances when working with specific material: concrete, tiles, metal, etc.D.

As already mentioned, the drill is the most common lesson for the repairman, and therefore it is important to immediately learn several basic rules related to this occupation.

• Using suitable tools. There are many drills, each of which is intended for a certain kind of materials. Therefore, do not try to drill concrete drill on wood and vice versa. It is also important to consider the conditions in which the tool will be operated. For example, industrial drills cannot be used for repair in the interior (this is simply unsafe). It is important to take into account moisture resistance: for external work, IP34 class tools will need if the climate in this area is wet and IP32, if you have to work in good weather. Inside the room you can use IPX2/
• Competent markup. Before starting any work, it is important to carefully and precisely mark the places of drilling with a marker. Under the marker you can still stick paper tape so that the drill does not slip through the material.
• Selection of the required drilling rate. It all depends equally on both the material and the diameter of the blade. If we are talking about very thin drills (with a diameter of less than 3 mm), then you need to work at low speeds, less than four hundred per minute. For other drills, the following rule exists: the thinner the drill, the greater the drilling rate is required.

In addition, it is important to ensure that the handle is securely attached to the shaft of a hand drill. You cannot also allow a skew of the drill.

### How to drill metal

The first thing to start with is the selection of drills. They are distinguished by a sharp edge designed for a light entering the drill into the metal.

Normal metal drills are good for not too hard metals such as copper or aluminum, however, for something more solid (for example, for stainless steel), you need to take products from titanium carbide or chromium-vanadium alloy.

Separately, we should talk about optimal speeds. Frequent error of novice masters is the use of too much revolutions.

In fact, medium speeds are used for solid metals: for example, brass with a centimeter thickness will optimally drill at speeds in 2000-2500 revolutions.

There are several more points that need to be lit. So:

• If you need to drill a thin iron plate, it must be fixed between two pieces of wood. This is done so that the sheet of metal does not break.
• It is necessary to use lubricants from time to time, which provides cooling the drill and facilitates the drilling process.
• If you need to make a hole in the pipe, then it must be securely fixed. In order for the pipe not flattened under the influence of a drill, a piece of solid tree should be placed inside.

If you are guided by these simple rules, then even a beginner will be able to qualitatively perform drilling.

### How to perform wall drilling from concrete

It is most often necessary to drill walls in everyday life, because without this it is impossible to hang a shelf, locker, you can not install a cornice.

Of course, it is better to use a punch or shock drill for this purpose. These tools are powerful enough to cope with such solid material as concrete or brick.

However, if the wall thickness does not exceed 10-12 cm, then you can do with a regular drill.

But do not take risks if there is only a low.Power tool at the disposal. When contacting concrete, it can simply break. If the drill is selected correctly, then the following tips will become useful:

• Before starting work, you should make sure that pipes or other communications systems are not located at the drilling point.
• Drill that are taken for such work should be made of solid metals or alloys. The best option will be drill with diamond spraying.
• If too dense areas of concrete will come across during the drilling, they need to be pierced with a small hammer and a pin (punch).

Although it is real to drill a concrete wall using a drill, it’s still worth doing it with caution. Otherwise, the breakdown can be quite serious. It is better to use specialized tools for this.

### How to work with tiles using a drill

Often, people who do not have rich experience in the field of repair are afraid to drill such fragile material as tiles.

However, this can be an urgent necessity, because you need to attach a variety of lockers and shelves in the kitchen, bathroom or toilet on something.

Alas, in many respects, the condition of the tile after drilling is determined by the not the master taken over the drill, but the one who laid this tile.

In order to properly drill a tile, you need to take a drill, a painting tape, a perforator (or a powerful drill with jackets on concrete). Then it will be necessary to perform the following actions:

• The drilling site is marked with a piece of painting tape and marker. Adhesive tape here so that the nail does not slip along the surface of the tile.
• Drilling is carried out strictly perpendicular to the material. The number of revolutions should increase gradually: from the minimum possible to 150-200 revolutions per minute. So you can avoid damage to both the material and the tool.
• It is important to ensure that the drill does not overheat. If smoke began to go, then the drill needs to be urgently cooled.

When the holes are made, you can insert dowels into them. This is done using a hammer.

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## How to blame the perpendicular opening with a hand drill

If there is no drilling machine at home or at least a rack for a drill, then drill an even perpendicular opening is a rather difficult task. To do this, you will need special devices, for example, a conductor for drilling holes, but you can not buy a similar device everywhere or you need to make a vertical hole under 90 degrees urgently. Let’s find out how at home you can easily drill a perpendicular opening with a conventional hand drill evenly.

The first device for even drilling holes is quite simple, this is a couple of woods fastened together on a spike and an iron building mounted corner glued to the inside, that’s all, I have a little more ennobled with a stain and covered it with varnish since this is quite often used by me.

How to blame the perpendicular opening with a hand drill

How to blame the perpendicular opening with a hand drill

We simply use it, put it on the side, put the drill in the intended place, lean tightly the inner corner of our homemade corner to the drill and so drill, if the hole should be very deep, and this corner already interferes with it can be safely removed and drilled further without it. Since next to the drill itself will go exactly.

How to blame the perpendicular opening with a hand drill

How to blame the perpendicular opening with a hand drill

The second device is a conductor from a wooden bar, mark on it with the help of a corner evenly 90 degrees line. Then, on the circular saw, we set the cut depth of about 5-7 mm and make it cuts. Using a clerical knife, we make chamfer at the edges of the drink and the conductor for drilling vertical holes is ready!

How to blame the perpendicular opening with a hand drill

How to blame the perpendicular opening with a hand drill

How to blame the perpendicular opening with a hand drill

How to blame the perpendicular opening with a hand drill

Now we put our conductor on the surface that we will drill, bring the heading to the drill and drill, pressing the drill to this cut.

How to blame the perpendicular opening with a hand drill

If there is absolutely no time to engage in the manufacture of such devices, then you can just take two rails, one rail is slightly shifted relative to the other, so that the angle forms and pull them off with clamps, then putting it in this angle can quickly drill an even perpendicular opening with a drill without using racks or a drilling machine.

How to blame the perpendicular opening with a hand drill

## Drill a vertical hole

A large selection of fascinating videos of not collections of cartoons with

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How to drill a perpendicular hole With a drill | | How to drill straight holes

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Here the video will show how a clear is not smooth drill A perpendicular hole of 90 degrees without the use of a drilling machine of not other industrial solutions. And additionally I will show a home.Made device to perform drilling of a number of smooth holes under the tail of a knife, which who can do it with your own hands at home.

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### Drilling perpendicular holes “on the knee” (at an angle of 90 to the surface)

I was tortured at one of the forums about drilling perpendicular holes, for example, about the method with a mirror (but I like the path with an angle, which is simple).

Corners in household / system stores are sold massively, you need to choose your choice is not color. The, the longer (above) the base, the higher the accuracy.

This is a one.Time work, in the absence of a rack for a drill or a conductor (which usually saves time every minute, eliminating the pace of labeling non.Acute corrosion).

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### How to drill a perpendicular hole using a drill | How to drill straight holes

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### Carpentry tricks. Perpendicular hole without a car. DIY 90-degree drill guide

If you do not have a drilling machine near the other very large workpiece, you can use some

### DIY

On the bearings I made an incision in the sharpening machine. Fatial. It is filled with epoxy. Accuracy is applicable!

### What can I do from old exercises?

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Now I will show you an ordinary not very exciting device for you, so that you simply will not quickly twist it not to unscrew the nuts not bolts in inaccessible or even comfortable places when performing the repair.

That in, that this device is made of unnecessary spare parts that we will now take from the old manual drill.

### May be. Useful tips for drilling

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### Disk saws are crooked, simple solution

In my case, this is a puzzle “Zenith”, but this method is suitable for everyone »Currents» saw discs

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### As Drill Perpendicular opening. The most accurate way

This is a video on how to drill a perpendicular opening on any flat surface: floor, wall or just a sheet of a wood.Steering plate or a lantern. In the following videos, I often use this device, since I need to be very accurately drilled hole, much less than 1 degree, so the pulleys rotate perfectly, not eight.

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QIWI wallet: 7 918 244 08 91 WebMoney (WMZ): Z247611290132 WebMoney (WMR): R226212024635 In this video I will show you how to sew the skin with an ankle with an eye, having a minimum of tools that you own hands At home you can make any leather products: leather shell, leather bags and shoes, watching this video.

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### Really large Samellyka will make himself and this is a simple device for the cottage of the seminar and at home

This schedule demonstrates the manufacturing process of unrealistic cool home.Made from a regular steel pipe.

## How to drill an even hole in the tree vertically. Carpentry tricks. Perpendicular hole without a machine. DIY 90 Degree Drilling Guide.

If there is no drilling machine at home or at least a rack for a drill, then drill an even perpendicular opening is a rather difficult task. To do this, you will need special devices, for example, a conductor for drilling holes, but you can not buy a similar device everywhere or you need to make a vertical hole under 90 degrees urgently. Let’s find out how at home you can easily drill a perpendicular opening with a conventional hand drill evenly.

The first device for even drilling holes is quite simple, this is a couple of woods fastened together on a spike and an iron building mounted corner glued to the inside, that’s all, I have a little more ennobled with a stain and covered it with varnish since this is quite often used by me.

How to blame the perpendicular opening with a hand drill

How to blame the perpendicular opening with a hand drill

We simply use it, put it on the side, put the drill in the intended place, lean tightly the inner corner of our homemade corner to the drill and so drill, if the hole should be very deep, and this corner already interferes with it can be safely removed and drilled further without it. Since next to the drill itself will go exactly.

How to blame the perpendicular opening with a hand drill

How to blame the perpendicular opening with a hand drill

The second device is a conductor from a wooden bar, mark on it with the help of a corner evenly 90 degrees line. Then, on the circular saw, we set the cut depth of about 5-7 mm and make it cuts. Using a clerical knife, we make chamfer at the edges of the drink and the conductor for drilling vertical holes is ready!

How to blame the perpendicular opening with a hand drill

How to blame the perpendicular opening with a hand drill

How to blame the perpendicular opening with a hand drill

How to blame the perpendicular opening with a hand drill

Now we put our conductor on the surface that we will drill, bring the heading to the drill and drill, pressing the drill to this cut.

### How to Properly Drill a Hole in Metal

How to blame the perpendicular opening with a hand drill

If there is absolutely no time to engage in the manufacture of such devices, then you can just take two rails, one rail is slightly shifted relative to the other, so that the angle forms and pull them off with clamps, then putting it in this angle can quickly drill an even perpendicular opening with a drill without using racks or a drilling machine.

How to blame the perpendicular opening with a hand drill

## Practical recommendations of specialists

In order for the drill to get exclusively vertically in the process of drilling the openings, the square is used. It is placed strictly at right angles, in one parallel with a drill.

Regular carpentry implies the purchase of a special rack, it will hold the power tool perpendicular. The stand allows you to control the depth of the grooves.

For strong fixation of a wooden bar, you should use a vice or a workbench. Holding the material in the hand is completely unsafe: at the time of its processing, the dry base can crack and split, injuring the master.

To ensure the smoothness of the input groove, it is recommended to put any rest of the board under its base, which can later be thrown away. You can drill the product. This technique is well suited for flat surfaces.

Drill a hole right at an angle of 90 degrees. The task is not from simple. It may take a lot of effort to keep the drill exactly vertically. Bullseyebore offers to do this using several laser concentric rings.

Bullseyebore uses a simple red laser to project three rings to the surface where you are going to drill. In order to keepdrill as smooth as possible during the process, observe three rings. Two internal will remain in one position, no matter how tilteddrill. And the external can move. Aligning the position of the largest ring relative, you will provide the drill with a strictly vertical position, and the hole will turn out to be just perfect.

In addition, concentric rings can give information about the depth of the hole. The distance between large and medium circles will just indicate the depth of drilling. If at the beginning there will be such a picture:

In the middle of the process, circles will come closer:

The nozzle looks like a small transparent disk with a connector for easy installation on any drill. Lasers, optics and batteries are already mounted inside. The disk is smooth, light and shockproof.

### How to Properly Drill a Hole in Metal

Manufacturers are now developing a model where the entire filling will be implanted into the drill cartridge.

## Drill drill device at right angles

I welcome all lovers to patronize, today we will consider how to make a guide drill that will allow you to clean the holes at a right angle. Homemade is made of plywood, and the author made the guides from steel tubes so that the weight of the nozzle is not too large. Thanks to this device, it will also be possible to confidently drill the holes of large diameters with the help of crowns. If the project interested you, I propose to study it in more detail!

Materials and tools used by the author:

First of all, we cut all the necessary details. If you look at the device, you can take away 3 parts that are the same in shape, they have the form of horseshoes. We cut these three parts so that they turn out the same, they can be glued with double.Sided tape and polished everything together.

After that, immediately set the places under the holes and drill them at right angles on the drilling machine. These holes will be needed so that the tubes that are guides can be installed. At the end, do not forget to cut the base, you can glue one of the “horseshoes” made earlier than.

Make a central block that will move on the guides. The drill will be clamped in the central block, it is for it that we must make a clamp. We drill the hole with the crown along the diameter of the front of the drill to which the handle is attached. Depending on the shape of the drill housing, we finalize the clamp with files.

The clamp will be tightened with threaded rods and nuts, threaded rods are wrapped in plywood on epoxy glue. In order for the clamp it is possible to promote and get a drill, the author uses “barashka nuts”.

In the end, you will need to make and install linear bearings in the movable unit, this is a kind of sleeve. Such bushings can be made on a lathe, each sleeve is made of circle, through which holes are drilled. You can also use ready.Made steel linear bearings that are sold in China. Line bearings are glued with good glue and fixed with self.Tapping screws.

At the end of the step, as an additional stop for the drill, the author glued and screwed the triangular part of plywood with screws.

We collect the structure, first we install steel tubes, the tubes are attached using screws or screws through the holes at the base. Next, you can install the average mobile platform, after it we fasten the upper platform. We reliably fasten the tubes below and at the top on glue and screws so that nothing skewers.

## How to blame the perpendicular opening with a hand drill

If there is no drilling machine at home or at least a rack for a drill, then drill an even perpendicular opening is a rather difficult task. To do this, you will need special devices, for example, a conductor for drilling holes, but you can not buy a similar device everywhere or you need to make a vertical hole under 90 degrees urgently. Let’s find out how at home you can easily drill a perpendicular opening with a conventional hand drill evenly.

The first device for even drilling holes is quite simple, this is a couple of woods fastened together on a spike and an iron building mounted corner glued to the inside, that’s all, I have a little more ennobled with a stain and covered it with varnish since this is quite often used by me.

How to blame the perpendicular opening with a hand drill

How to blame the perpendicular opening with a hand drill

We simply use it, put it on the side, put the drill in the intended place, lean tightly the inner corner of our homemade corner to the drill and so drill, if the hole should be very deep, and this corner already interferes with it can be safely removed and drilled further without it. Since next to the drill itself will go exactly.

How to blame the perpendicular opening with a hand drill

How to blame the perpendicular opening with a hand drill

The second device is a conductor from a wooden bar, mark on it with the help of a corner evenly 90 degrees line. Then, on the circular saw, we set the cut depth of about 5-7 mm and make it cuts. Using a clerical knife, we make chamfer at the edges of the drink and the conductor for drilling vertical holes is ready!

How to blame the perpendicular opening with a hand drill

### How to Drill a Hole in Porcelain and Ceramic Tiles. Video 2 of 3

How to blame the perpendicular opening with a hand drill

How to blame the perpendicular opening with a hand drill

How to blame the perpendicular opening with a hand drill

Now we put our conductor on the surface that we will drill, bring the heading to the drill and drill, pressing the drill to this cut.

How to blame the perpendicular opening with a hand drill

If there is absolutely no time to engage in the manufacture of such devices, then you can just take two rails, one rail is slightly shifted relative to the other, so that the angle forms and pull them off with clamps, then putting it in this angle can quickly drill an even perpendicular opening with a drill without using racks or a drilling machine.

## At what revolutions should be drilled

One of the important parameters when drilling is the number of revolutions per minute. The speed with which you need to drill depends on the type of material and the type of drill. There is a general rule: the harder the material and the thicker the thicker, the less the number of revolutions per minute should be. As for specific numbers, they can be seen in the table below.

 Drill diameter, mm Soft tree hard tree plastic (acrylic) copper aluminum steel Notes one.5-4.Eight 3000 3000 2500 3000 3000 3000 When drilling metal thicker than 3 cm, lubricate the drill adhesive drill. 6.4-9.5 3000 1500 2000 120 2500 1000 eleven.1-15.Nine 1500 750 1500 750 1500 600 17.4-25.4 750 500 – 400 1000 350

This table is designed for ordinary spiral ruins. For specific options (Frostner drill and t.D.) the speed of drilling various materials differs slightly from the above.

## How to drill a drill correctly and evenly

In the field of repair, the ability to drill properly is one of the basic. In addition to general rules, it is important to consider all the nuances when working with specific material: concrete, tiles, metal, etc.D. All issues related to drill will be covered in this article.

As already mentioned, the drill is the most common lesson for the repairman, and therefore it is important to immediately learn several basic rules related to this occupation.

• Using suitable tools. There are many drills, each of which is intended for a certain kind of materials. Therefore, do not try to drill concrete drill on wood and vice versa. It is also important to consider the conditions in which the tool will be operated. For example, industrial drills cannot be used for repair in the interior (this is simply unsafe). It is important to take into account moisture resistance: for external work, IP34 class tools will need if the climate in this area is wet and IP32, if you have to work in good weather. Inside the room you can use IPX2/
• Competent markup. Before starting any work, it is important to carefully and precisely mark the places of drilling with a marker. Under the marker you can still stick paper tape so that the drill does not slip through the material.
• Selection of the required drilling rate. It all depends equally on both the material and the diameter of the blade. If we are talking about very thin drills (with a diameter of less than 3 mm), then you need to work at low speeds, less than four hundred per minute. For other drills, the following rule exists: the thinner the drill, the greater the drilling rate is required.

In addition, it is important to ensure that the handle is securely attached to the shaft of a hand drill. You cannot also allow a skew of the drill.

### How to gently drill wood

Wood. One of the most “simple” materials when working with a drill. However, there are subtleties here.

• The drilling rate directly depends on the tree breed. Lovely, not too hard varieties of wood will be able to even a low.Power apparatus. Of course, the proposed diameter of the hole plays the role. The larger it is, the more powerful the drill is needed.
• In order to make large holes, you need to use special drill drill. Their diameter may exceed 120 mm. As for the depths, on average, the crowns are suitable for materials up to 20-22 mm thick, but there are special models that can cope with a thickness of more than 60 mm.
• If you need to make a deaf, and not through holes, then for this the drill of the Forethus, which are produced by a diameter of 1 to 5 cm, are perfect for this.

Separately, it is worth talking about drilling a bar. Although it is convenient to fix it for further drilling, the large thickness of the material creates certain difficulties. Drilling a bar for further fixing in the holes of the penalties. For a standard beam of 18 cm thick, it will be best to take a drill with a diameter of 25 mm and 36 cm long.

It will be necessary to drill slowly, at low speeds. In terms of capacities, a drill for 1300-1500 watts is perfect. If the beam is not very long, then two holes on each side are enough. If the length of the beam for dadies is large enough, then it will be necessary to make an additional hole in the center.

After the holes are made, you can hammer in them with a hammer or a small sledgehammer.

## How to drill a tree?

For high.Quality work, it is enough to follow several recommendations:

• Accurate markup. In order for the holes to be in the right place, it is necessary to make preliminary markings.
• If you need to make a through hole, then a small drill is used first, then the workpiece is finished with a large drill. This method will avoid the appearance of chips.
• For undeveloped holes, an island from the desired edge is wound on the drill.

Work on wood requires high.Quality tools and technology compliance. With a good tool to drill a tree is easy.