How To Drill A Hole In Metal Without A Drill

How to make a hole without a drill with your own hands at home

Healthy advice remains for our client here: Pain treatment.

Drills are an additional tool than drilling a concrete wall. How to drill a hole in a concrete wall with a hammer drill. How to drill a hole in a brick wall. Their diameter is varied. Experienced craftsmen advise to make a selection, starting from the diameter of the dowels.

DIY drill

The best suited for this operation are small hand drills, the likeness of which you can make yourself. To do this, two laces and a handle are tied on top to a rigid axis, which can be a steel or wooden rod, and a sharpened nail from below. In the middle of the rod, you need to fix a heavy flywheel, which will act as an inertial battery. In order to put this drill into action, the laces are manually wound on the rod, and then, having set the nail in the right place, they press the handle. The rod rotates and the nail drills, the pressure on the handle is stopped when the laces are completely unwound. The flywheel rotates by inertia and again winds them onto the rod, and then stops and you need to press the handle again. Viscous wood species may not succumb to such a drill, as the drill will bind and slow down the rotation.

Application of crowns

Often you need to get a large hole in the wall for the outlet. How to drill a load-bearing wall then? Then crowns are used, which have metal solders around the circumference. Crowns are found in different sizes, but the most popular are the 68-centimeter ones, which are designed for sockets at this time. How to make a hole in the rpm of a drill, the third method involves doing without. How to make a hole in glass, a hole in glass without a drill. When working with these parts, you need to turn off the percussion mode of the punch.

There are such crowns and also for drills. How to drill a hole in wood without a drill. Alas, they have a different kind of sputtering. from a cabrid-tungsten alloy. It is convenient to use them, since it is quite possible for it to drill a hole in the concrete wall with a drill and not simultaneously make a hole in the tile. Such crowns are used only with powerful drills.

We drill concrete with a perforator

What is needed, how to drill a hole in a concrete slab with a hammer drill? The procedure is simple:

  • the drill switches to hammer mode, then drilling begins; the tool must be held strictly at right angles;
  • after a couple of weeks, the drill is moistened with water, this will help to avoid overheating;
  • if it is possible to drill a reinforced concrete wall, the drill must be removed without turning off the device itself;
  • to clean the resulting hole from dust, a drill is run there several times.

Can’t drill through the wall? Is the hammer drill hitting something hard? So, you need to try to make a hole somewhere else.

drill, hole, metal

  • How to drill a hole in wood without a drill
  • How to choose a drill
  • How to drill granite

The easiest way to get these holes is to use an awl with a diameter of 1 to 3 mm. This awl can be easily made from a thick needle or even from a trim of piano wire, the length of which is about 5 cm. The needle or wire is first driven into a piece of hardwood half the length of the wood, and a handle is subsequently made from this tree. The end of the wire remaining outside is sharpened on 3 or 4 edges. A well-made awl acts in this case like a drill, piercing the wood, it is rotated and it cuts and twists the wood fibers, and does not just push them apart.

Drilling tips for metal, wood, concrete

When drilling a hole in metal with a hand drill, the drill is usually jammed. To correct this defect will help a wooden cork, previously driven into the hole.

It is not difficult to drill a hole in a thin metal sheet if it is clamped in a vice along with a wooden block. It is most inconvenient to drill thin metal sheets. Every now and then they strive to break free and injure the driller.

Cut yourself a shovel out of steel with a comfortable handle. Fasten the workpiece with clamps to the upper surface of the “shovel”.

Anyone who has tried it knows that a large diameter drill will “break” the hole, and it will be uneven. Place a piece of rubber or a rag folded in several layers under the drill and start working. The hole will be flat.

To cut blind holes in a part, you can use a piece of a round file clamped in an electric drill chuck. In order not to damage the back wall of the part, the working end of the file fragment should be slightly rounded off on the emery wheel.

Drilling a radial hole in a metal bar or tube is not easy. Especially if you’re trying to do it with a hand drill. This task can be facilitated in this way: drill a hole of the appropriate diameter in a wooden block, insert a tube there and drill calmly, without fear that the drill will slip.

If a blind (blind) hole in a metal part is filled with paraffin, then the thread cut on it will be clean.

Drilling a large hole in the board at home is very difficult, because the shank of a large drill cannot be clamped in the chuck of a hand drill. A hole with a diameter of 15 to 40 mm can be made using a simple device consisting of a metal rod and a piece of a hacksaw of the right size. Its cutting edges are sharpened at an angle of 45 degrees, inserted into a longitudinal slot previously made in the rod, and soldered or fixed with a wedge, which is driven into the slot.

A sophisticated person will never begin to drill a round log before they securely fix it. He knows that without taking precautions, most likely he will not be able to drill a hole exactly along the intended path, and besides, he may lose the drill.

Place a 1.5-2 cm long spring between the handle and the “slider” by the hand drill for wood, and even with sharp movements of the “slider”, a finger will not be pinched, accidentally caught between it and the handle.

When drilling a large hole in wood (20-30 mm), the required drill or perk may not be available. In this case, first drill a hole with a smaller diameter, and then insert a flat steel washer (preferably a new one) into the brace chuck and go through the hole again. This method is also applicable to countersink holes.

If you need to drill many holes at right angles in wooden parts, take a hardwood cube and drill a reference hole in it with great precision. And then use this jig in your work like this. The cube put on the drill will also serve as a drill depth limiter.

A cap from lemonade or beer is quite a good substitute for a drill, when it is necessary to drill a compass needle in the wood holder, then reduce the risk of breaking it when a fibrous material or plaster has a hole with a diameter of about 20 mm. Pierce the plug, put on the bolt, securing with two locknuts, and drill.

It is difficult to make a hole in the plywood, it splits. Take a steel tube of the required diameter, sharpen the cutting edge inside with a round file and cut the teeth on it with a triangular file. Insert a wooden cylinder with a nail without a head inside the tube. When working, the end of the nail protruding 1-2 mm is a guide.

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So that when drilling small parts made of sheet material, they do not scroll, we advise you to put sandpaper under them.

If you fix a drill with a diameter of 0.8-1.1 mm, you will drill small-diameter holes in wood, PCB, plastic.

There are many devices for cutting large-diameter holes in sheet material. plastic, plywood, chipboard, etc. You can use the design: a bracket is bent from a strip of steel 2-3 mm thick, its ends are embedded, and a hole is drilled in the center, then the bracket is put on a bolt with a pre-sawn head. For work, the device is clamped in the chuck of an electric drill.

You can cut a large hole in sheet material in a simple way: clamp a nail in a vice (it will serve as an axis) and a piece of a drill (this will be a cutter). The circle is cut by rotating the sheet around the axis.

A circle of any diameter from plywood can be cut accurately, neatly and quickly using a wooden plank and two pointed nails driven into the plank.

A pencil sharpener cutter (sold separately) can be used successfully for boring holes in wood and plastic. It is fixed in the chuck of an electric drill and the edges of the hole are processed.

A potato peeler in the hands of a craftsman is an almost ready-made tool for processing rounded holes in plywood. You just need to sharpen its cutting edge.

When drilling a board or plywood, remove the burrs at the same time, for which string several rings of dense felt on the drill.

It is easier and faster to drill concrete with an asymmetrically sharpened carbide drill. However, we recommend that you plan and start the holes with a drill with a conventional sharpening.

When drilling a hole in the ceiling, crumbs of concrete and plaster scatter in all directions, fall into the eyes, behind the collar. Make a funnel out of spring wire, wrap it with plastic wrap and slide it over the drill.

If you drill into a concrete or brick wall made in a can of shoe polish, the dust will collect in it and not fly into the room.

If you do not have a winning drill for drilling in concrete, you can replace it with a punch from the “Novosel’s Dream” set. Plugged into a drill chuck, it takes concrete well.

When drilling a hole in concrete or brick, the drill will last longer if it is periodically moistened with water. It is convenient to use an elastic plastic bottle as a water reservoir.

When drilling holes in the wall, it is very difficult to hold the drill in a strictly horizontal position. Attach to her
a small level or a bubble replacing it with electrical tape, and the matter will be greatly simplified.

If it is necessary to drill a through hole in the wall, but the length of the drill is not enough, what should be done? Try this operation in two steps: on one side of the wall and on the other. Having drilled a hole at the marked point, place a magnet in it. Then use the compass to find the drilling point on the opposite side of the wall. The compass needle won’t go wrong.

How to drill a concrete wall with a conventional drill, not a perforator?

How to drill a concrete wall with a conventional drill? this question was probably asked by the masters, when they had to hang shelves, cornices, nothing else.

Concrete is a strong material and therefore very difficult to drill. How to make a hole in a wall without a drill. How to drill a concrete wall. Hole in. Even how to drill a wall in a panel house, the task might seem insoluble.

Although, if you know certain secrets, this common hearing process will greatly simplify for you.

Choosing a tool

What you need, the first question a home craftsman should ask himself is not how to drill a concrete wall with reinforcement, but what. The main assistant here will be a perforator, because it is intended for stone, not concrete. Despite this, even powerful drills cannot cope with a wall more than twelve cm wide. How to drill a hole in metal. Although if we are talking about foam concrete, it is the drill that turns out to be preferable, since the perforator will simply break it.

The quality of the drill also determines whether it will be possible to drill a hole in a concrete wall.

One of the best options is to use drills designed specifically for the hammer drill. Their working part is essentially a plate made of strong metal. With these drills, the question of how to drill a thin concrete wall is solved.

There are also diamond coated core drills. How to make the right hole correctly, make a hole without a drill and a punch. I make holes without a drill and a deep hole in how to make. They are very strong, they are used in special drilling rigs, so they do not cost enough. Therefore, it is impractical to solve the problem of how to drill a hole in a concrete wall at home.

How to drill wood without a drill

How to drill a hole in metal

Metal products, in comparison with parts made of other materials, have increased hardness and strength, therefore, for successful work with them, adherence to the technological process and the use of high-quality cutting tools are required.

Drilling tools for metal:

  • Electric or hand drill;
  • Twist drill;
  • Kerner;
  • Hammer;
  • Protective glasses.

Drills for metal are selected based on the diameters of the holes and the properties of the material being processed. As a rule, they are made of high-speed steels such as R6M5K5, R6M5, R4M2. Solid carbide drills are used to work with cast iron, carbon and alloy hardened steels, stainless steel, and other difficult materials.

The power of the electric drill must be designed to drill a hole of the required diameter. Power tool manufacturers indicate the corresponding specifications on the product. For example, for drills with a power of 500. 700 W the maximum drilling diameter for metal is 10. 13 mm.

Distinguish between blind, incomplete, and through holes. They can be used to connect parts together by means of bolts, studs, pins and rivets. If the hole is being drilled for the purpose of tapping, it is worth paying particular attention to the choice of the drill diameter. Due to its beating, the hole is broken in the chuck, which must be taken into account. Indicative data are presented in the table.

Drill diameter

Hole stakeout

Result

five ten 15 20
0.08 0.12 0.20 0.28
5.08 10.12 15.20 20.28

To reduce the breakdown, drilling is performed in two stages: first with a smaller diameter drill, and then with the main one. The same method of sequential reaming is used when it is necessary to make a hole with a large diameter.

How to properly drill metal with a drill

The peculiarity of drilling metal with a drill is that it is necessary to manually hold the tool, give it the correct position, and also provide the required cutting speed.

After marking the workpiece, the center of the future hole should be punched. This will prevent the drill from moving away from the set point. For the convenience of work, the workpiece should be clamped in a locksmith’s vice or put on a stand so that it takes a stable position. The drill is installed strictly perpendicular to the surface to be drilled. This is important to avoid breaking it.

When drilling metal, you do not need to exert much pressure on the drill. On the contrary, it should decrease as you go. This will prevent breakage of the drill bit and also reduce burrs on the trailing edge of the through hole. Care should be taken when removing chips. If there is a jamming of the cutting tool, it is released by giving it back rotation.

Choice of cutting mode

When using a HSS tool, the speed can be referenced according to the table. When working with carbide drills, the permissible values ​​are 1.5. 2 times higher.

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Drill diameter, mm

Rotation frequency, rpm

up to 5 6. 10 11. 15 16. 20
1300. 2000 700. 1300 400. 700 300. 400

Drilling of metal products must be carried out with cooling. If not used, there is a high probability that the tool will lose cutting properties due to overheating. In this case, the surface finish of the hole will be rather low. An emulsion is commonly used as a coolant for solid steels. At home, machine oil is suitable. Cast iron and non-ferrous metals can be drilled without coolant.

Deep hole drilling features

Holes are considered deep if they are larger than five drill diameters. The peculiarity of the work here lies in the difficulties associated with cooling and chip removal. The cutting length of the tool must be greater than the depth of the hole. Otherwise, the body of the part will overlap the helical grooves, along which the chips are removed, and also the liquid for cooling and lubrication enters.

First, the hole is drilled with a short, hard drill bit to a shallow depth. This operation is necessary to define the direction and centering of the main tool. After that, a hole of the required length is made. As you progress, you need to remove the metal shavings from time to time. For this purpose, use coolant, hooks, magnets or turn the part over.

How to drill a hole in metal

Metal products, in comparison with parts made of other materials, have increased hardness and strength, therefore, for successful work with them, adherence to the technological process and the use of high-quality cutting tools are required.

Drilling tools for metal:

  • Electric or hand drill;
  • Twist drill;
  • Kerner;
  • Hammer;
  • Protective glasses.

Drills for metal are selected based on the diameters of the holes and the properties of the material being processed. As a rule, they are made of high-speed steels, such as R6M5K5, R6M5, R4M2. Solid carbide drills are used to work with cast iron, carbon and alloy hardened steels, stainless steel, and other difficult materials.

The power of the electric drill must be designed to drill a hole of the required diameter. Power tool manufacturers indicate the corresponding specifications on the product. For example, for drills with a power of 500. 700 W the maximum drilling diameter for metal is 10. 13 mm.

Distinguish between blind, incomplete, and through holes. They can be used to connect parts together by means of bolts, studs, pins and rivets. If the hole is being drilled for the purpose of tapping, it is worth paying particular attention to the choice of the drill diameter. Due to its beating, a hole breakdown occurs in the chuck, which must be taken into account. Indicative data are presented in the table.

Drill diameter

Hole stakeout

Result

five ten 15 20
0.08 0.12 0.20 0.28
5.08 10.12 15.20 20.28

To reduce breakdown, drilling is performed in two stages: first with a smaller diameter drill, and then with the main one. The same method of sequential reaming is used when it is necessary to make a hole with a large diameter.

Drilling holes in metal of large and small diameters. how to do it right?

Drilling large holes is no problem with the right tool. For example, such work may be necessary to secure a channel or metal corner.

The easiest way is to use an electric drill, but it takes a lot of effort to get a hole with a diameter of, for example, 15 mm. To.

Getting narrow nozzles

Drilling deep holes of small diameter can only be done on a special or lathe using a fixture. The part is clamped into a 3-jaw chuck and checked for runout with an indicator. The device is mounted on a tool holder. The drill chuck with the drill is installed in the fixture. First, the hole is centered, then the nozzle is drilled to the specified depth. It is problematic to use the tailstock, since the overthrow must be constantly withdrawn for the release of chips and lubrication.

To obtain vertical holes, a right angle drilling attachment is used. For an electric drill, this is a vertical stand at a 90 degree angle to the base. The easiest way to use a vertical drilling machine.

How to properly drill metal with a drill

The peculiarity of drilling metal with a drill is that it is necessary to manually hold the tool, give it the correct position, and also provide the required cutting speed.

How To Hole in lron Without drill using Hammer And Punch

After marking the workpiece, the center of the future hole should be punched. This will prevent the drill from moving away from the set point. For the convenience of work, the workpiece should be clamped in a locksmith’s vice or put on a stand so that it takes a stable position. The drill is installed strictly perpendicular to the surface to be drilled. This is important to avoid breaking it.

When drilling metal, the drill does not need to exert much pressure. On the contrary, it should decrease as you go. This will prevent breakage of the drill and also reduce the formation of burrs on the trailing edge of the through hole. Chip removal should be monitored. If there is a jamming of the cutting tool, it is released by reversing the rotation.

Choice of cutting mode

When using a HSS tool, the speed can be referenced according to the table. When working with carbide drills, the permissible values ​​are 1.5. 2 times higher.

Drill diameter, mm

Rotation frequency, rpm

up to 5 6. 10 11. 15 16. 20
1300. 2000 700. 1300 400. 700 300. 400

Drilling of metal products must be carried out with cooling. If not used, there is a high probability that the tool will lose cutting properties due to overheating. In this case, the surface finish of the hole will be rather low. An emulsion is commonly used as a coolant for solid steels. At home, machine oil is suitable. Cast iron and non-ferrous metals can be drilled without coolant.

Large holes

There is only one answer to the question of how to drill a large-diameter hole in metal: in the technological process of reaming the necks. For example, you need to enlarge the neck and get a size of thirty millimeters in diameter. First, it is drilled with a tool of a smaller diameter, for example, four millimeters, then under the size of 8 millimeters, then. 12 millimeters, and so each size expands to the result.

A large diameter neck in a product can be made on a lathe. The operation is as follows: drilling a hole, boring a neck of the desired size. As necessary, pre-drilling the process can be divided into stages: drilling small diameter, reaming with a gradual increase in the diameter of the drill.

How and how to smoothly and accurately drill a hole in the metal

Metalworking is carried out with a special cutting tool, using machines and mechanisms. Drilling holes in metal is not easy. This technological operation requires basic knowledge of the material, machine tools and cutting technology. Sometimes it is difficult to choose a drill for different degrees of metal hardness and choose cutting modes.

Metal crown

Metal processing is a complex process, therefore such work is usually performed using specialized equipment. For domestic work, core drills can be used.

Such products allow you to make the edges round and centered. In this case, a standard drill is used for drilling. Products consist of several parts:

  • crown;
  • centering nozzle;
  • product shank;
  • screws that are needed to secure.

When using a core drill, the work speed is increased up to 10 times. Also, the advantages include the ability to accurately drill in the range from 1.2 to 15 cm.

At the same time, there is no need to center during drilling. It is also worth noting that such drills, in comparison with spiral drills, have a higher wear resistance.

Before starting work, a center drill is installed in the center of the circle, after which drilling is carried out. After that, the drill is retracted and the work is carried out with a crown.

How and how to drill deep and large holes in metal parts

Drilling large holes is no problem with the right tool. For example, such work may be necessary to secure a channel or metal corner. The easiest way is to use an electric drill, but it takes a lot of effort to get a hole with a diameter of, for example, 15 mm. To drill a large hole in metal, special tools and core drilling technology are used.

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How to drill a large hole in metal

Drilling large diameter holes in metal is not a major problem nowadays. The main thing is to prepare well. Let’s say you need to make a hole in a corner, channel or mortgage in order to strengthen a building structure or hang a shelf, lamp or pipeline. That is, to do this not in a workshop or workshop, but directly at the place. The easiest way to drill in such conditions is to use an electric drill. But, imagine how much pressure you need to apply to drill a hole with a diameter of 16 or 20 mm? The question is not rhetorical. the effort will be about 40-50 kgf. This is not easy to achieve if the intended hole is located above the level of the driller’s shoulders. Even 10 years ago, when such a problem arose, even professionals resorted to autogenous and, just imagine, to drilling small holes around the circumference of a large one. Today, there is a completely professional solution for this. core drilling, which ensures the production of holes of 11 quality.

However, many are convinced that core drilling is a rather expensive method, cost-effective only in industrial volumes. Is this statement true? Partly. Today, you can choose several options for tools and equipment for drilling a hole in large diameter metal without reaming. At the same time, the cost per hole will be justified even when drilling only a few holes.

Consider what options the market offers for drilling large-diameter through holes in metal. For comparison, we take a diameter of 51 mm.

Firstly, these are bimetallic bits. Samples from the cheapest are presented to choose from, which are immediately sold in sets and cannot be accepted by us in this review for the reason that their purpose is. drilling a tree, and if it turns out they can drill a sheet of metal, then it will not be thicker than 0.5 mm. At a price of 240 rubles, products with a wall thickness of 1-1.2 mm start, often with the HSS marking on it. Co 5% and even HSS. Co 8, but judging by the fact that it takes more than one such crown to drill one hole in a stainless steel, there may be no cobalt at all. decent quality bits are twice as expensive, which really allow drilling stainless steel and ordinary steel a few millimeters thick. Bimetallic bits of this level allow you to drill 5-20 holes in a steel sheet 5 mm thick. At the same time, the use of any lubricating-cooling composition ensures that the upper bar of this range is reached. At the third stage, there are bimetallic bits of world famous brands, which are twice as expensive, can be equipped with special devices for quick change in the drill, but in terms of resource they do not much or do not exceed the average price level.

Drilling large diameter holes in steel sheets with a thickness of more than 5-6 mm for bimetallic bits is very difficult, although sometimes you hear a different opinion. It is based on data on the total drilling depth of such crowns. 35-38 mm. As a rule, only sellers of bimetallic crowns, who do not have a more worthy tool in their assortment, risk advising to drill a 30 mm sheet or beam in this way. The fact is that a bimetallic crown is devoid of a chip-evacuation groove, and as soon as the thickness of the drilled metal becomes greater than the height of the tooth of the crown, problems with chip evacuation begin. In addition, the body of the bimetallic bit is not entirely cylindrical in shape, this causes jamming in the metal of a solid thickness.

Unlike bimetallic bits, carbide-tipped bits provide more accurate drilling. The body of the carbide hole saw is chiselled, while the bimetallic crown is rolled from tape and welded into a ring. There are several types of carbide drill bit designs. Without going deep into the types of shanks and types of attachment, we will analyze only the cutting part. The most expensive part of the crown is the carbide teeth. The quality of the material strongly affects the drilling speed, impact resistance, bit life and the ability to drill alloy steels with high chrome m.

The second feature that you need to pay attention to is the shape of the tooth and its size. For drilling thin sheet steel, thin stainless steel and non-ferrous metals, a narrow tooth with a flat profile, slightly beveled inward, is used. Such crowns also lack a chip groove, and they will not be able to drill metal thicker than the height of their tooth. The price of such bits is two to three times higher than that of bimetallic bits, depending on the design of their body, they can be designed for drilling flat materials or for drilling pipes and profiles. Since these are professional samples, at present their counterfeits are not widespread, and almost all samples found on the market are of acceptable quality, but excellent quality should be chosen from manufacturers specializing in these products.

Thicker metal can be drilled with bits with variable profile teeth. In these bits, every second or, as a rule, one of three successive carbide teeth is sharpened in a different way. This ensures a soft cut, no vibration, less stress on the cutting edges and, as a result, an increase in the life of the bit. In such crowns, there is a short or long chip-removal groove, almost to the entire height of the wall. The first version of the crowns allows you to drill metal up to 12 mm thick, and more powerful crowns with a developed chip flute. up to 25 mm. It is this version of the tool for drilling a hole in large diameter metal that is the most progressive, providing the best performance and quality.. as we agreed, for a crown with a diameter of 51 mm. As well as everywhere in nature, there are deviations in one direction or another up to 2 times, but, as usual, considering builds a golden mean.

Summarizing the above, what can we recommend to a craftsman for whom large-diameter holes in metal are not an everyday task?

The option in which the metal is quite thick, say 10 mm, and the hole diameter is 20-25 mm, can be solved with a carbide crown with a pilot drill. A magnetic drilling machine is recommended as a drive. but you can also use an electric drill. With the above-mentioned machine, investments will amount to 21,164 rubles excluding VAT, and with a drill. 5,000. 5,500 thousand.

For a hole with a diameter of 50-60 mm, with such a metal thickness, the use of a magnetic or stationary drilling machine is definitely required. A large load causes a large, or, an option with a magnetic stand of the drilling machine and a separately purchased drill, about 50,000. Drilling such holes with a drill from your hands is not only difficult, but also dangerous.

Drilling with a hand-held electric drill in metal with a thickness of up to 5 mm of large-diameter holes is not difficult when using both bimetallic and carbide bits. The choice of tool is carried out depending on the required accuracy. When drilling holes with a bimetallic bit, the ovality of holes and an increase in diameter from the desired one can reach 4% or in absolute terms. 2. 3 mm. When drilling with a carbide bit, only 0.6. 1 mm. In addition, all the carbide bits presented in the review, and almost all of the metal bits available on the market, drill stainless steel.