How to drill a perpendicular hole with a drill?

In the repair industry, the ability to drill correctly is one of the basic skills. In addition to the general rules, it is important to take into account all the nuances when working with a specific material: concrete, tile, metal, etc. All issues related to drilling will be covered in this article.

• Choosing an electric drill: which one is better?
• How to remove a drill from a hammer drill

How to drill a perpendicular and vertical hole

Although it is sometimes necessary to drill at an angle, it is most common to make vertical holes (that is, perpendicular to the surface). In order for drilling to take place strictly at an angle of 90 degrees, it is necessary to use special guides. They will allow you to drill perpendicularly without deviating in any direction.

The simplest guides allow you to make only vertical holes, but there are also more complex designs that allow drilling at certain angles.

How to drill without dust

To prevent dust when drilling the wall, take a plastic bag and tape , preferably masking tape. In the right places on the wall, mark the holes to be made. Under the mark on the wall, glue an open plastic bag with tape so that the dust falls inside. When you increase the speed, some of the dust will be blown away by the engine fan, so you need to drill carefully at low speeds, then the waste will pour out exactly into the bag. It is important to stick the tape to the wall very tightly. If the fit is not tight, dust will spill between it and the wall, and the wallpaper will become dirty.

Device for drilling at right angles

Greetings to all DIY enthusiasts, today we will look at how to make a drill guide that will allow you to drill holes at right angles. The homemade product is made of plywood, and the author made the guides from steel tubes so that the weight of the nozzle would not be too large. Thanks to this device, you can also confidently drill holes of large diameters using crowns. If the project interests you, I suggest you study it in more detail!

Materials and tools used by the author:

List of materials:

– steel rods; – plywood; – threaded rods and nuts; – wood glue; – self-tapping screws; - epoxy adhesive; - two springs.

Homemade manufacturing process:

Step one. Cutting the parts

First of all, let's cut all the necessary parts. If you look at the device, you can see 3 parts that are identical in shape, they have the shape of a horseshoe. We cut out these three parts so that they are the same, they can be glued with double-sided tape and sanded all together.

After this, we immediately mark the locations for the holes and drill them at right angles on a drilling machine. These holes will be needed so that the tubes that serve as guides can be installed. Finally, don’t forget to cut out the base; you can glue one of the “horseshoes” made earlier to it with wood glue.

Step two. Central block

We make a central block that will move on guides. The drill will be clamped in the central block; it is for this that we must make a clamp. We drill a hole with a hole saw along the diameter of the front part of the drill to which the handle is attached. Depending on the shape of the drill body, we modify the clamp with files.

The clamp will be tightened using threaded rods and nuts; we wrap the threaded rods in plywood with epoxy glue. So that the clamp can be unscrewed and the drill can be removed, the author uses wing nuts.

Finally, you will need to manufacture and install linear bearings into the moving block; these are a kind of bushings. Such bushings can be made on a lathe; each bushing is made of round timber through which holes are drilled. You can also use ready-made steel linear bearings, which are sold in China. We glue the linear bearings with good glue and fix them with self-tapping screws.

At the end of the step, as an additional stop for the drill, the author glued and screwed a triangular piece of plywood with self-tapping screws.

Step three. Assembly

We assemble the structure, first we install steel tubes in the base, the tubes are secured using self-tapping screws or screws through holes in the base. Next, you can install the middle movable platform, after which we attach the upper platform. We securely fasten the tubes at the bottom and top with glue and screws so that nothing becomes warped.

How to insert a drill into a chuck

Step 1: The chuck jaws are closed.

Step 2. Rotate the adjustment ring counterclockwise by hand. The jaws inside the chuck diverge to a distance slightly larger than the size of the drill.

Step 3. Insert the drill into the chuck to the full possible depth. The diameter of the clamped tool is allowed 2 - 13 mm.

Step 4. By rotating the adjusting ring clockwise by hand, tighten the drill.

Step 5. Insert the drill key into the hole on the chuck body so that the teeth on the key and the chuck are closed.

Step 6. With slight pressure, turn the key clockwise until it stops to securely fix the drill. There are 2 - 3 key holes, we insert them into each one in turn for uniform clamping.

Step 7. The drill is ready for use.

Before carrying out any maintenance work, remove the plug from the socket.

To avoid losing the key, craftsmen secure it with electrical tape to the drill wire.

Less commonly used is a quick-release jaw chuck, which is tightened without a key. It comes with one or two adjusting sleeves with anti-slip notches. If there is only one sleeve, hold the drill body motionless. If there are two sleeves, the part fixed to the spindle remains motionless. The moving part is turned by hand: when securing the drill clockwise, when removing it counterclockwise.

How to Drill a Perpendicular Hole with a Drill in Wood

to drill perpendicular without the help of others

hole?

When drilling hollows, a situation often arises in which it is difficult to obtain perfectly even angles. How to drill a perpendicular hole of a certain depth? For this purpose, it is worth consulting the most experienced craftsmen. They offer several options for getting out of this situation.

Tools for drilling holes.

In fact, it is unacceptable to perform such carpentry work without using a drill and fasteners. During drilling, it is worth knowing about the fundamental principles of this activity:

• it is necessary to drill a hole only at this point;
• the hole has a set size;
• at the time of drilling, the tool must be placed at a right angle.

If there is anything left for our client to do, the listed requirements are correctly fulfilled, of course, we will be talking about success in carrying out the work:

• introduction of special drills;
• precise fastening of the material will help to secure the work and make it significantly easier;
• uniform pressure on the drill.

the drill very hard to its base

with a drill and perform the necessary action.

Another method also involves the use of a homemade device, only it has the shape of a “T” with an internal angle of 90 degrees.

Drilling methods: incomplete holes in products in pairs (a); using an attachment plate (b); c - holes in the corner; g - in planes located at an angle; d - on a cylindrical surface; e - in hollow parts.

The drill is located at one of these points and placed on the mark, after which drilling is done. Taking into account the length of the drilling device, the depth of the groove is determined.

To get a clear hole at a right angle, a guide is used. Its strictly fixed position will prevent annoying mistakes and deviations from a given angle. Certain types of such tools help to make grooves not only vertically, but also in addition while respecting other angles.

The nozzle has a depth-limiting device, adjustable with a stopper and a spring. Purchasing such a tool will protect against damage to workpieces and furniture.

Subtleties of drilling for various materials

How to drill metal correctly + (Video)

The first thing to start with is the selection of drills. They are distinguished by a sharp edge designed to allow the drill to easily penetrate the metal. Regular metal drills are good for not too hard metals like copper or aluminum, but for something harder (for example, stainless steel) you need to take products made of titanium carbide or chrome-vanadium alloy.

We should also talk about optimal speeds. A common mistake beginners make is using too many turns. In fact, for hard metals, medium speeds are used: for example, brass one centimeter thick will be optimally drilled at a speed of 2000-2500 rpm.

There are a few more points to cover. So:

• If a thin iron plate needs to be drilled, it must be secured between two pieces of wood. This is done so that the sheet of metal does not tear off.
• It is necessary to use lubricating oil from time to time to cool the drill and facilitate the drilling process.
• If you need to make a hole in the pipe, it must be securely fastened. To prevent the pipe from being flattened by the drill, a piece of hard wood should be placed inside.

If you follow these simple rules, then even a beginner will be able to perform high-quality drilling.

How to drill concrete walls + (Video)

In everyday life, you have to drill into walls most often, because without this it is impossible to hang a shelf, a cabinet, or install a cornice. Of course, it is better to use a hammer drill or impact drill for this purpose. These tools are powerful enough to handle hard materials like concrete or brick. However, if the wall thickness does not exceed 10-12 cm, then you can get by with a regular drill. But you shouldn’t take risks if you only have a low-power tool at your disposal - if it comes into contact with concrete, it can simply break. If the drill is selected correctly, then the following tips will be useful:

• Before starting work, you should make sure that there are no pipes or other communication systems in the drilling area.
• The drills used for such work must be made of hard metals or alloys. The best option would be diamond-coated drills.
• If during drilling you come across too dense areas of concrete, they need to be punched out using a small hammer and a pin (punch).

Although it is generally possible to drill through a concrete wall with a drill, it should still be done with caution. Otherwise, the damage can be quite serious. It is better to use specialized tools for this.

How to work with tiles using a drill + (Video)

Often people who do not have extensive experience in the field of repairs are afraid to drill into such a fragile material as tiles. However, this can become an urgent necessity, because you need something to attach various cabinets and shelves in the kitchen, bathroom or toilet. Alas, in many respects the condition of the tile after drilling is determined not by the master who takes up the drill, but by the one who laid the tile. A competent tiler lays the tiles so that no voids form between the tiles and the wall. In this case, careful drilling will not harm the tile in any way. If there are “air pockets” between the wall and the tile, then most likely the tile will crack.

In order to properly drill through the tiles, you need to take a drill, masking tape, or a hammer drill (or a powerful drill with drill bits for concrete). Next you will need to perform the following steps:

1. The drilling location is marked with a piece of masking tape and a marker. The tape is here to prevent the nail from sliding on the surface of the tile.
2. 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. This way you can avoid damage to both the material and the tool.
3. It is important to ensure that the drill does not overheat. If smoke starts coming out, the drill needs to be cooled down immediately.

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

Drilling cast iron - how to do it correctly + (Video)

Cast iron is a fairly hard material, so drilling it is very, very difficult. In addition, cast iron products are fragile, so it is important not to crumble them. Like other materials, cast iron has its own subtleties when it comes to drilling.

• There's no rush. This is perhaps the most important rule when working with cast iron. Everything must be done slowly, with extreme care and attention.
• The drill must be made of a very hard and durable alloy, in addition, it must be perfectly sharpened. To prevent cast iron from crumbling, you need to take drills with an angle of 114-119 degrees.
• It is unacceptable for the drill to overheat. Sometimes they don’t pay attention to the fact that the instrument is overheated. And this can lead to poor quality work or even breakdown.

How to carefully drill through wood + (Video)

Wood is one of the “easiest” materials when working with a drill. However, there are some subtleties here too.

• The drilling speed directly depends on the type of wood. Loose, not too hard types of wood will be suitable even for a low-power device. Of course, the expected diameter of the hole also plays a role - the larger it is, the more powerful the drill is needed.
• In order to make large holes, you need to use special core drills. Their diameter can exceed 120 mm. As for depth, on average crowns are suitable for materials up to 20-22 mm thick, but there are also special models that can cope with thicknesses of more than 60 mm.
• If you need to make a blind hole rather than a through hole, then Forstner drills, which are available in diameters from 1 to 5 cm, are perfect for this.

We should also talk about drilling timber. Although it is convenient to fix it for further drilling, the large thickness of the material creates certain difficulties. Drilling timber for further fastening in the dowel holes. For a standard beam 18 cm thick, it would be best to take a drill with a diameter of 25 mm and a length of 36 cm. You will need to drill slowly, at low speeds. In terms of power, a 1300-1500 W drill is perfect. If the beam is not very long, then two holes on each side will be enough. If the length of the beam for the dowels is long enough, then it will be necessary to make an additional hole in the center. After the holes are made, you can drive the dowels into them using a hammer or small sledgehammer.

Implementation of a conductor

Drill the deepest hole in the perpendicular standard, of course, using a special device - a jig. Moreover, such activities are carried out not only on a flat base, but also on rounded parts of the workpieces, at corner points.

Components of the conductor:

1. A core that allows you to make markings for a drill.
2. Plastic stencil.
3. There are 6 guide bushings, the diameter of which corresponds to 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm.

Proper handling prolongs life

In order for a home electric station wagon to help for many years, a number of rules must be followed.

• Do not allow mechanical damage (impacts, falls).
• Constant overload mode is dangerous. When the light is on, the power tool is operating at its maximum capacity.
• Avoid prolonged continuous work. A non-professional instrument needs frequent rest. The temperature of the body is periodically checked: if you cannot hold your palm on it, the drill is turned off. They recommend 15 minutes of work, then a break until the temperature of the drill matches the ambient temperature. The total operating time per day is 4 - 5 hours, the turn-on and rest intervals are approximately the same.
• Do not use in rain or snow, or in very dusty rooms.
• Rooms with an aggressive or explosive environment can have a dangerous effect on drill parts. The power tool generates sparks and may ignite dust or fumes.
• Work with caution in the area of ​​electrical wiring.
• The drill is turned on and off at idle speed.
• The drill is not released from your hands until the rotation of the chuck has completely stopped, so as not to lose control over it.
• After work, clean the dirt and dust in the ventilation holes on the motor housing.
• During long breaks in operation, the chuck and spindle are covered with a layer of preservative lubricant (technical petroleum jelly).

How do drills usually differ from each other? Power, modes, speed and a set of additional functions. They are different: miniature and large, battery-powered and powered, made of cheap plastic and with fancy anti-slip inserts. But each of them is a queen in the kingdom of home power tools.

Features of the position of the conductor for drilling in various areas of workpieces

Development of drilling holes in a pipe using a jig.

1. For rounded parts, a recess without corners is used, located on the bottom of the device.
2. At corner points on the cylinders it is worth using the V-shaped element included in the kit.
3. To fix the middle end line of the part, it is necessary to install 4.5 nails in the appropriate grooves at the corner points of this device. The jig is rotated in such a way that the fasteners are connected to the edge of the element. The central part of the sleeve, created for drilling a hole, is placed in the flow of the end part of the part.

How to Drill a Perpendicular Hole. The Clearest Method

This video is what it actually is like to drill a perpendicular hole

on any flat surface: floor, wall, etc.

A core is taken to mark the center point of the groove.

1. Place the named element in the middle of the hole and fix the stencil to this address.
2. Place the bushing on this post with the flared part upward, its diameter corresponds to 4 mm, stick it into the template. Such a part must be centered and pressed against the material using a clamp.
3. Remove the core along with the bushing from the template, which should not move.
4. The guide sleeve is located in a stencil of a certain cross-section.
5. A drill is used to make a hole of a certain depth.

How to remove a drill from a chuck

The drill can only be removed from a disconnected tool.

While rotating, the drill and chuck become very hot. Do not touch them with bare hands immediately after switching off.

If there are no problems with the drill such as jamming or breakage, it is easy to remove it from the chuck. Proceed in reverse
order.

1. The key is inserted into the holes of the cartridge one by one and turned slightly counterclockwise. The clenching of the fists weakens.
2. The adjusting ring is manually turned counterclockwise. The fists inside diverge.
3. Take out the drill.

If the drill has a locking mechanism, first press the locking button.

Making a homemade device

Devices for drilling wood: a - use of a stop for drilling holes in round workpieces; b - use of a stop for drilling holes in a vertical plane; c - template for drilling the end and plane of the workpiece: 1 - workpiece; 4 - template; 3 - holes in the template; 4 - a clamp, with which the template is attached.

In reality, drilling a groove at a right angle can be very difficult. Often, some craftsmen use special devices for this purpose. But these options are often intended for certain types of drilling equipment. Some are suitable for hand drills with slots for additional handles, while others are suitable for cordless ones.

There are also universal options, but their cost is not cheap. People involved in creating furniture cannot do without this device. For a person who makes something, there are times when the price will be quite high.

Of course, such an assistant can be made without the help of others, from the remnants of laminated chipboard. The initial blank of such a device looks like bars stuffed with this material.

Here, later, you need to drill holes to help the drill find the correct point and angle of inclination. A small part of the material is installed with its end face on the main panel.

Before assembling the device, it is worth making a mark for 3 holes with different sections.

Options for using a guide for drilling.

Take 3 screws, the diameter of which corresponds to 5 mm, 6.3 mm and 7 mm. According to these dimensions, grooves are drilled at 3.5 mm, 4 mm and 4.5 mm.

Next, the device is assembled. Holes are drilled for the first holding component, which is fixed here. Afterwards, a groove is made for another holder. At the time of drilling, a chipboard block is placed between these two parts to create clearer results for the second element. The device, made without the help of others, must be made strong and should not go to our client's side.

Such a device will allow you to make grooves only as a drilling device to create a right angle at the end of the panel. To center the drill and drill a hole on a level base, an additional device is made from this material. For this purpose, 3 holes with a diameter of 3.5 mm, 4 mm and 4.5 mm are drilled in a chipboard block. Next, the marks are fixed on the prepared panels, the drill must pass through the object, and a groove is outlined.

Once the markings are made correctly, you need to lower the device onto the panel and place the drill, maintaining a right angle. Now you can drill.

The grooves in the end part are made in the same way. The drill passes through the assistant, the hole is marked, the structure is firmly connected to the side of the made object, after which, of course, use the drill.

Why are sparks in a drill dangerous?

An electric drill, like any other power tool, requires systematic maintenance. Spare parts wear out during operation and the lubricant dries out.

Drill brushes require regular replacement.

One of the manifestations of the problem is that the electric motor does not work at normal voltage in the network. A bright signal is the formation of a circular fire on the collector. The spectacle is beautiful, but dangerous. In order not to ruin the anchor of the drill, they are changed. It is advisable to buy original ones, not Chinese ones. With them the tool will last much longer.

Please note: brushes are not universal. If you don't know what size you need, take an old one with you as a sample.

The design of the drill allows you to replace the brushes yourself.

There are models in which there are installation windows for brushes on the body. Replacement is simple:

1. The plugs are unscrewed from the installation windows.
2. Remove worn brushes.
3. New brushes are installed.
4. Screw in the plugs.

Other models require minimal disassembly of the drill:

1. Remove all screws on the housing. Remove the cover. It is more convenient to leave the screws in their “native” places.
2. Take out the brush holders and remove the worn brushes from them.
3. Insert new brushes, pushing the spring firmly into place.
4. Insert the brush holders into place, tighten the electrical contact of the supply wire well.
5. Close the housing cover and tighten the screws.

Video: how to replace brushes

Practical advice from professionals

Diagram of drilling a concrete wall.

To ensure that the drill only stands vertically when drilling holes, use a square. It is placed strictly at a right angle , in parallel with the drill.

Permanent carpentry work requires the purchase of a special stand; it will hold the power tool perpendicular. The stand allows you to control the depth of the grooves.

To firmly fix the wooden block, you should use a vice or a workbench. Holding the material in your hand is completely dangerous: at the moment of processing it, the dry base cracks and splits, injuring the master.

To ensure the smoothness of the entrance groove, it is recommended to place at least some remnant of the board under its base, which can be thrown out later. Of course, drill the product. This technique works great for flat surfaces.

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Nozzles: saving effort and money

If we make a rating of power tools for which manufacturers produce additional attachments and accessories, the electric drill is the leader. The drilling tool turns into a multifunctional machine for repair work. She saws, cuts, mills, grinds and does much more. In terms of performance, it will not fully replace every tool, but it solves short-term tasks for a home craftsman.

To operate, the shank of the attachment is clamped in the drill chuck, like a simple drill, and the drilling mode is set.

Sanding and polishing

For grinding, use an attachment for wheels with Velcro, where abrasive wheels of different grain sizes are attached. Metal and wood are polished with cups or discs. In hard-to-reach places, use a fan nozzle.

A file attachment is a pin that is attached at one end to a chuck. On the other it has a solder in the form of a cone, bullet or ball. They are called rollers. The holes are bored and polished using a nozzle. For rough grinding and deburring, rasp attachments are used.

The drill becomes an electric sharpener with special attachments. The sharpening angle is adjustable, you can sharpen anything: drills, chisels, disc blades.

Properly sharpened drills provide quality drilling, are less likely to jam, and preserve the tool.

Polishing attachments: soft felt, special for cars, polishing leather ends and others. To work with rotation in any direction, select a speed of 1000 revolutions.

Scissor attachment for drill “Cricket”

With this attachment, the drill becomes a nibbler for thin sheet metal, corrugated sheets and plastic. The shank is attached to the drill chuck. It has two cutting heads that are set at the desired degree. At a rotation speed of 3000 rpm it produces a burr-free cut. You can sharply change the direction of the cut to make shaped parts.

Video: Cricket attachment in action

Attachments that make it easier

Corner. Works in hard-to-reach places as a drill and a screwdriver.

Drywall cutters. Used when installing sockets and distribution boxes.

Flexible shaft. One side is attached to the drill chuck, and the drill chuck is on the other end. Drills where a drill cannot cope without such an attachment.

How to drill a perpendicular hole yourself?

In the process of drilling recesses, a situation often arises in which it is not easy to obtain perfectly straight corners. How to drill a perpendicular hole of a certain depth? To do this, you should take the advice of experienced craftsmen. They offer several options for getting out of this situation.

Tools for drilling holes.

There is practically no carpentry work that does not involve the use of a drill and fasteners. During the drilling process, it is worth knowing about the important principles of this activity:

• you only need to drill a hole at a given point;
• the hole has a set size;
• at the time of drilling, the tool should be positioned at a right angle.

If all of the above requirements are clearly met, we can speak of success in the work:

• use of special drills;
• clear fastening of the material will help to secure the work and make it significantly easier;
• uniform pressure on the drill.

So, for these purposes, you can use a square-shaped wooden block, firmly press a drill with a drill bit to its base and perform the desired action.

Another method also involves using a homemade device, only it looks like the letter “T” with an internal angle of 90 degrees.

Drilling methods: partial holes in products in pairs (a); using an attachment plate (b); c - holes in the corner; g - in planes located at an angle; d - on a cylindrical surface; e - in hollow parts.

The drill is placed at one of these points and placed on the mark, after which drilling is performed. Taking into account the length of the drilling device, the depth of the groove is determined.

To get an accurate hole at a right angle, you can use a guide. Its strictly fixed position will allow you to avoid mistakes and deviations from the given angle. Certain varieties of such tools help to make grooves not only vertically, but also while maintaining other angles.

The nozzle has a depth-limiting device, adjustable with a stopper and a spring. The purchase of such a tool will protect against damage to workpieces and furniture.

How to fasten timber

In order to work with timber easily and without problems, the optimal solution would be to buy a twist drill. Its design is such that it fits into the wood with the effect of a self-tapping screw, without the need to put pressure on the drill. The price of such a drill is higher than a feather drill, but the quality of the hole is worth the cost. The edges are not torn, there is no axial deviation, the diameter is strictly the same throughout the entire depth. The length of the drill must exceed the thickness of the timber by at least one and a half times. This will make it possible to drill 1 beam through, and the second halfway. You must follow a simple rule: the holes for the dowels should be 2-3 cm larger than the dowels themselves. Thanks to this, when the wood dries out, there will be a headroom and the beam will not hang.

The drill for drilling holes for dowels must be powerful enough. Experience shows that when using a 25 mm twist drill, holes in pine beams can be easily handled by a drill with a power of 800 W. True, we mean a low-speed drill. The fact is that power is proportional to the number of revolutions and torque, which means that the more one, the less the other. When drilling large holes, torque is much more important than speed. Therefore, a low-speed drill is more suitable for such work. In this regard, when choosing a drill, you should pay attention to its reduction gearbox. It is advisable to use a tool that has several speeds. At first speed the torque will be maximum.

How to drill a hole? There are several technologies. You can do them when trying on timber, after all plumb lines, levels, and dimensions have been checked. After this, the beam is removed. Batting, jute or other similar material is laid. The spaces above the holes are cleared in advance. The beam is laid in place and dowels are inserted into it. They can be knocked out, but the impact force should be small. Otherwise, the dowel will either break or it will not match the diameter of the hole made. A dowel driven too tightly will prevent the timber from shrinking when it dries.

Some use a different sequence. The timber is laid directly on the batting, leveled, and then drilled. This allows you not to remove it from the wall again. But this method also has its drawbacks. The quality of batting, linen and jute sold in stores varies. They often contain long fibers that, once under the drill, begin to collect the batting and wrap it around the drill. This entails a number of problems. The drill gets hot and loses its technological properties, so turning it out even using reverse is not so easy. The drill for drilling timber for dowels is overloaded and may fail. Not to mention the fact that in this case you will still have to remove the timber in order to restore the batting layer.

Technologies are different, often they have to be changed due to the characteristics of the materials used. But it is necessary to follow 2 rules in any case: the diameter of the dowel and the holes for it must correspond to each other, and the drill must be low-speed and powerful.

Drilling a hole with a feather drill

At first glance, when the question arises about how to drill a hole in wood, most people have no doubt: just think, wood is not metal and can be drilled easily. Yes, this is partly true if you want to make not a hole in the wood, but a banal hole. And in order to drill a hole in wood correctly and efficiently, you need to listen to the advice of craftsmen in the processing of wooden structures, who are also called wood modelers.

Using a Conductor

You can drill a deep hole in a perpendicular sample using a special device - a jig. Moreover, such activities are carried out not only on a flat base, but also on rounded parts of workpieces, at corner points.

Components of the conductor:

1. A core that allows you to make markings for a drill.
2. Plastic stencil.
3. There are 6 guide bushings, the diameters of which correspond to 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm.

At what speed should you drill?

One of the important parameters when drilling is the number of revolutions per minute. The speed at 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 joint, the lower the number of revolutions per minute should be. As for the specific numbers, they can be seen in the table below.

This table is for conventional twist drills. For specific options (Frostner drill, etc.), the drilling speeds for various materials are slightly different from those given above.

Features of the position of the jig for drilling in different areas of workpieces

The technology of drilling holes in a pipe using a jig.

1. For rounded parts, a recess without corners is used, located on the bottom of the device.
2. At corner points and on cylinders it is worth using the V-shaped element included in the kit.
3. To fix the middle end line of the part, you need to install 2 nails in the corresponding grooves at the corner points of this device. The jig is rotated so that the fasteners connect to the edge of the element. The central part of the sleeve, intended for drilling a hole, is placed in the middle of the end part of the part.

A core is taken to mark the center point of the groove.

1. Place the named element in the middle of the hole and fix the stencil on it.
2. Place the bushing on this post with the flared part up, its diameter corresponds to 4 mm, and insert it into the template. Such a part must be centered and pressed against the material using a clamp.
3. Remove the core along with the bushing from the template, which should not move.
4. The guide sleeve is placed in a stencil of a certain cross-section.
5. Using a drill, a hole of a certain depth is made.

The simplest guide attachment for a drill with your own hands

The nut is removed from the drilling tool. Next, measure its diameter on a plastic bottle and mark it with a felt-tip pen. As a result of these actions, a complete circle should be obtained.

The resulting template, which will need to be cut out later, is marked on the bottle cap so that the width is sufficient.

Next, the bottle or can is trimmed. The template that was previously applied to the bottle and its cap needs to be cut out. Then take the lid and install it into the jar from the front side, achieving maximum fit.

After the glue has dried, a drill is inserted into the nozzle and then used like a plastic nut, fixing it on the tool and starting drilling the hole.

Important! To make the job as safe as possible, it is recommended to sand the edges of the can so that they become smooth and even.

Making a homemade device

Devices for drilling wood: a – use of a stop for drilling holes in round workpieces; b – use of a stop for drilling holes in a vertical plane; c – template for drilling the end and plane of the workpiece: 1 – workpiece; 2 – template; 3 – holes in the template; 4 – clamp with which the template is attached.

In practice, drilling a groove at a right angle can be very difficult. Often, many craftsmen use special devices for this. However, these options are often designed for specific types of drilling equipment. Some are suitable for hand drills with slots for additional handles, while others are suitable for cordless ones.

There are also universal options, but they are expensive. People who make furniture cannot do without this device. For a person who makes something on rare occasions, the cost will be quite high.

You can make such an assistant yourself, from the remains of chipboard. The initial blank of such a device looks like bars stuffed on the base of this material.

Here you will later need to drill holes to help the drill find the correct point and angle. A small part of the material is installed end-to-end on the main panel.

Before assembling the device, it is worth making a mark for 3 holes with different sections.

Options for using a guide for drilling.

Take 3 screws, the diameters of which correspond to 5 mm, 6.3 mm and 7 mm. According to these dimensions, grooves are drilled at 3.5 mm, 4 mm and 4.5 mm.

Next, the device is assembled. Holes are drilled for the first holding component, which is immediately secured. Afterwards, a groove is made for another holder. At the time of drilling, a chipboard block is placed between these two parts to create more accurate results for the second element. The device, made independently, must be strong and should not move in all directions.

Such a device will allow you to make grooves only as a drilling device to create a right angle at the end of the panel. To center the drill and drill a hole on a flat base, an additional device is made from this material. To do this, 3 holes with a diameter of 3.5 mm, 4 mm and 4.5 mm are drilled in a chipboard block. Next, marks are fixed on the prepared panels, the drill must pass through the object, and a groove is outlined.

As soon as the markings are made correctly, you need to lower the device onto the panel and place the drill, maintaining a right angle. Now you can drill.

The grooves in the end part are made in the same way. The drill passes through the assistant, the hole is marked, the structure is firmly connected to the side of the manufactured object, after which the drill can be used.

Main functions of the tool

The main purpose of an electric drill is to drill holes in materials.

It was for this purpose that Wilhelm Fein invented it in 1895.

Inside the plastic case there are components:

• electric motor;
• starting switch;
• gearbox;
• reverse;
• retainer;
• capacitor;
• impact mechanism.

A chuck for attachments is attached to the shaft (spindle) of the drill using a thread and a fixing screw.

The fixed drill rotates both to the right and to the left. For this purpose, a reverse switch is placed on the housing. In this mode, you can only remove the drill from the hole or unscrew screws and screws. Turn on for a short period of time at reduced speed.

Drill operating modes

Many had to hammer into the wall with a bolt in order to hang a cornice or a picture. Now this is done with a drill, setting the correct operating mode.

1. Unstressed. Carpentry and plumbing work is carried out in this mode.
2. Shock. For working with concrete, brick or stone foundations. The rotating drill moves in the longitudinal direction and makes translational (impact) movements.

The speed of the drill differs for different tasks and is adjusted in two ways.

1. Mechanical. The desired position is set on the scale. As speed decreases, torque increases. The output power does not change, even under load. You can set the speed while the drill is running.
2. Electronic. The speed is controlled by a built-in rheostat. When you lightly press the switch key, the drill rotates at low speed. As you press harder, the speed increases until it reaches the set limit. The extreme value can be limited by a special wheel on the button. The output power with this method is reduced.

Practical recommendations from experts

Drilling diagram for a concrete wall.

In order for the drill to stand exclusively vertically when drilling openings, use a square. It is placed strictly at a right angle, in parallel with the drill.

Regular carpentry work involves purchasing a special stand that will hold the power tool perpendicular. The stand allows you to control the depth of the grooves.

To firmly fix the wooden block, you should use a vice or a workbench. Holding the material in your hand is not at all safe: at the moment of processing, the dry base can crack and split, injuring the master.

To ensure a smooth entry groove, it is recommended that any remaining board be placed under the base of the groove so that it can be discarded later. The product can be drilled. This technique works well for flat surfaces.

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How to drill a perpendicular hole with a drill? Link to main publication

Preparing the hammer drill for work

Before drilling with a hammer drill, you need to prepare for work, study the instruction manual and strictly follow the requirements described in it. If the rules are violated, the instrument may break and it is not always possible to repair it. The required load must not be exceeded. Long and continuous operation leads to overheating of the gearbox and drive elements, which fail. Parts are lubricated only with high-quality compounds . It is prohibited to perform work that is not provided for in the instructions. Before drilling into a wall with a hammer drill, it is inspected.

Check integrity:

• housings;
• cartridge;
• electrical insulating layer of the connection cable.

It is necessary to make sure that there are no chips or cracks on the crowns, drills and drills. The cutting edges must be sharpened.

Before drilling a hole with a hammer drill, perform a trial run and operate in idle mode . Check whether the buttons and toggle switches responsible for the speed and direction of rotation of the cartridge work.

On an unfamiliar object, make sure that the wiring is of sufficient size to power a powerful tool. Otherwise, the cable will overheat, which will lead to melting of the insulation and short circuit.