When choosing a tool for professional builders, be sure to buy a low-speed drill. This device, thanks to the reduction in torsion speed, develops enormous power. Therefore, it can be used to mix concrete and drill large holes in very hard materials. Low-speed drills are good because even when doing significant work at high power they will not overheat. For comparison: trying to do the same thing with a simple tool can lead not only to its stopping, but even to breakage. Since low-torque drills are usually heavy, most of them are equipped with a pair of handles. Holding such a tool with both hands is both easier and safer. Well, our review will tell you which low-speed drills are most in demand on the modern market.
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Drill Sturm! ID20165M 1650 W
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The top 10 low-speed drills open with the Sturm ID20165M model, which is suitable for heavy work. Allows you to drill holes in wood, metal and plastic, as well as mix various building compounds. The Morse taper spindle is capable of transmitting high torque and makes it possible to use equipment with a tapered shank. Three reliable handles provide better control over the tool. The metal gearbox increases the service life of the drill and improves heat dissipation.
Drill Sturm! ID20165M 1650 W
Advantages:
- Rubberized handles provide a secure grip
- Easy access to brushes for replacing them yourself
- The presence of a reverse makes it easier to remove the drill from the material
- Adjustable rotation speed allows you to select the optimal operating mode
- For convenience during long-term operation, it is possible to fix the start key in the on state
Popular drill manufacturers
Most manufacturers offer both household and professional appliances. Professional equipment is sold under the brands DeWALT, Makita, Metabo. Professional drills from Bosch are painted blue, while household drills are painted green. Skil brand drills are reliable universal assistants for home improvement. Household power tools from the DWT and STERN Austria brands have proven themselves due to their reasonable price and high quality. The Black&Decker company is now producing a very interesting series of XT Range tools, intended for amateur craftsmen who place high demands on tools, although they produce all professional models only under the DeWALT brand, although it belongs to Black&Decker. There are other brands of tools on the market: AEG, Elmos, Kress, Kinzo, Protool, Rebir, Sparky, Stark, Milwaukee. In general, a drill can be chosen to suit every taste and color.
These articles may also be of interest to you:
- Drill - more than drilling
- Drill guide attachment
- Lathe attachment - a lathe made from a drill
- Attachments, nozzles and accessories for drills
Drill Rebir IE-1206-1-16/2000ER 2000 W
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Drill Rebir IE 1206-1-16/2000 ER is used for drilling wood, steel, non-ferrous metals and plastic. It is equipped with a powerful motor that provides excellent performance. The ability to adjust the rotation speed allows you to configure the drill to work with a specific type of material. The aluminum gear housing contributes to the long service life of the tool.
Drill Rebir IE-1206-1-16/2000ER 2000 W
Advantages:
- Three-stage gearbox with high torque
- Side handle with soft grip to absorb vibration
- Main ergonomic handle with soft grip and wide switch key
- With the appropriate mixing attachment, the machine can be used as a mixer
- Locking button for continuous operation
- The ability to install in a stationary position allows you to perform work efficiently and with greater convenience
- Maximum diameter of the cutting edge of the drill: for wood, plastic – 70 mm, for steel – 32 mm
Choosing a low-speed drill for drilling timber
The power plant (in other words, the motor) of the drill used to drill into wood must be powerful enough. This allows you to work by creating holes of large diameter and noticeable depth. This is an objective fact: it is very difficult to explain correctly why a high-speed drill is not suitable for the same work. To do this, it would be necessary to briefly outline an entire section of physics here.
Another thing is more important: in order to pierce a pine board or panel with a twist drill with a diameter of 2.5 cm, it must be inserted into a drill with a power of 0.8 kW. Preference should be given to a tool that can operate at multiple speeds. For complete construction of a house from scratch, a 1.3 kW drill is suitable. Experts recommend choosing a model with a three-stage gearbox. When you plan to work in winter, it is advisable to use a drill with the thickest possible cord - it is the most reliable.
Information about the period of continuous operation will help determine whether a particular tool belongs to the professional class or not. Experienced builders need to keep the drill running continuously for at least 1 hour. In addition, unlike the household segment, such equipment performs only a narrow range of tasks.
In the next video you will find a review of the low-speed drill-mixer Rebir IE-1305A-16/1700R with reverse.
Drill Interskol D-16/1050R2 1050 W
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Our rating of low-speed drills includes the Interskol D-16/1050R2 model. This tool is equipped with a powerful and reliable motor. The key chuck size is 16 mm, which allows you to work with large equipment. The metal gear housing increases the service life of the tool. Two handles contribute to comfortable and safe operation of the user.
Drill Interskol D-16/1050R2 1050 W
Advantages:
- Key chuck for secure fixation of equipment
- Availability of reverse
- Switch locking mechanism in the on state
- Hole in the base of the wire for the cartridge key
- Light alloy gear housing for long tool life
- Additional D-shaped handle for a secure hold
- The drill clamping diameter is 3-16 mm
- Maximum drilling diameter in wood 35 mm
- Maximum drilling diameter in steel 16 mm
Drill for the DIYer
Some of the hobbyists who often make things at home can get by with those simple drills, the models of which I gave just above. But someone may have a lot of work or it may be of a specific nature, so he needs a suitable unit for this. For various tasks, in addition to the most common single-speed impact drill, you may need the following devices:
- unstressed
- two-speed
- slow-moving
Single-speed impact and non-impact drills can be considered from both professional and household classes - it all depends on the volume of work. It is better to take only household ones with two-speed and low-speed ones, since professional ones are too expensive. They justify themselves only in commercial activities. At home, even if you work with them quite often, you can get by with a household class.
Single speed impact drill
So, I already wrote about household drills of this type in the previous section. In most cases they are sufficient. But if you have large volumes of work, and therefore you have concerns that the household unit will not cope, then you can purchase the pro version. The most optimal model, in my opinion, here would be the Makita HP 1640. Its main advantages are:
- good power of 680 W
- precise operation of all mechanisms, even in comparison with other professional drills - there are absolutely no rustling or crackling noises during operation
- mechanical reverse switch - that is, it is carried out by changing the position of the commutator brushes, which is much more reliable than an electronic one, when it is made in the form of a flag above the start button
- rubberized body, thanks to which the instrument fits more confidently in the hands
You can also consider the HP 1620 drill from Makita. This is the predecessor model of the HP 1640, the main differences of which are slightly lower power (650 W) and a non-rubberized body.
Hammerless drill
Among the household shockless machines, I am most impressed by the Elitech D 550 RE. Despite its small dimensions, it has a good power of 550 W. In addition, the Elitech tool is of fairly good quality for its price. Less expensive electric drills in this class have worse performance. And those of comparable quality have less power.
If you want to have a small-sized professional-class hammerless drill, then the most popular models here will again be from Makita - and. Their main difference is in power: 450 and 530 W, respectively. Well, the first one is a little smaller in size.
Two speed drill
Of this type of drill, you can pay attention to the Zubr ZDU-1100-2 ERMM 2. The quality of the Zubr tool is similar to Elitech, but their two-speed model is cheaper, but at the same time has good power of 1100 W
In addition, this device is equipped with an impact mechanism, so it can also drill brick. There are no hammerless two-speed household drills on the market. Therefore, if you want to avoid a blow, you will have to choose from professionals. But, I repeat, their prices are steep. You can look here.
Low speed drill
Such machines, unlike other drills, have a reduced speed. That's why they are called low-speed. If in most electric drills the chuck rotates at a speed of 2500-3000 rpm, then on low-speed drills this figure does not exceed 600.
The speed is reduced due to the operation of the gearbox. As a result of this reduction, coupled with high engine power (more than 1000 W), a large torque is obtained at the output. For this reason, such units are useful in jobs where there is increased resistance to rotation. This, for example, is drilling in wood with large-diameter drills (more than 25 mm) or mixing various building mixtures with a large-diameter mixer attachment.
The model I recommend here is Interskol D-16/1050R2. This manufacturer is famous for its good quality in the household class, while its low-speed drill, while not inferior to others in characteristics, is cheaper.
These were my tips on choosing a drill for your home. I hope I was able to explain to you what's what here. Well, I’m finishing this text - see you!
Drill Interskol D-16/1050R2 + mixer 1050 W
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Drill mixer Interskol D-16/1050R2 is a tool designed for long and labor-intensive work in the field of drilling material. Interskol D-16/1050R2 is a reliable drill that allows you to drill holes in metal and wood. The drill chuck is made using key lock technology. The drill is suitable for drills in a range of chuck sizes from 3 to 16 mm. The drill is equipped with an additional handle on the back, which greatly facilitates the effort required when drilling. The drill is used with all kinds of attachments, including a mixer attachment, designed for mixing all kinds of substances.
Drill Interskol D-16/1050R2 + mixer 1050 W
Advantages:
- For heavy and long-term work
- Equipped with a powerful and reliable motor
- High performance even during long periods of operation
- 16mm key cartridge
- Confident work with large equipment
- Withstands significant loads
- Two additional handles - straight and D-shaped
- Designed for drilling holes in various materials
- For domestic and industrial use
Ammo
Impact drills are equipped with two types of chucks - key and quick-release chucks .
In a key chuck (also called a toothed chuck), the drill is secured using a special key.
The keyless chuck allows you to secure the drill without the help of tools. To secure the drill in such a chuck, a little hand effort is enough. There are two types of keyless chucks.
Double-sleeve cartridges have two rotating rings (one of them is held by hand, and by turning the second one the drill is clamped and released). Easier to handle, single-sleeve chucks offer the most convenient way to change drill bits. They work in conjunction with the spindle lock button.
The chucks also differ in the maximum drill diameter they can clamp. The most common sizes are 10, 13, 16 mm. For home use, a drill with a 13 mm chuck is sufficient.
Milwaukee Professional Tools Designed for Heavy Duty
Drill BISON ZDM-820 RM 820 W
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Drill mixer Zubr ZDM-820 RM is a professional tool with an improved design. It is used for drilling holes in wood, steel, brick, as well as for mixing paints, concrete and various solutions. The key chuck facilitates reliable fixation of the equipment. An additional rotating handle ensures comfortable operation.
Drill BISON ZDM-820 RM 820 W
Advantages:
- Improved design
- The engine is resistant to overloads
- Key chuck for secure fixation of equipment
- Metal gear housing for long service life
- Easy access to brushes for replacing them yourself
- Reverse
- Electronic speed control
- Fixing the “Start” key for long periods of work
Areas of application
The direction of application is not limited to one drilling. Even drilling can be carried out on various materials. Usually - wood, metal, concrete and stone, brick and tile, hard soil and even ice.
A drill for concrete requires an impact type and preferably a powerful one. A low-speed one is also suitable for drilling timber. Manual is convenient for drilling ice in winter or taking soil samples in the mountains. There may be general purpose or highly specialized models.
By type of drive there is a networked and cordless drill, by type of power - electric (electric drills), pneumatic, gasoline and manual.
Drill Rebir UM2-16/1200ER 1200 W
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The Rebir UM2-16/1200ER drill is used for drilling holes in wood, steel and plastic. By adjusting the rotation speed, you can select the optimal operating mode for each material. The three-stage gearbox has a metal housing, which contributes to the long service life of the drill. Thanks to the rotation direction switch, you can easily remove the drill from the drilled hole and unscrew the screws.
Drill Rebir UM2-16/1200ER 1200 W
Advantages:
- Powerful motor for high performance
- Three-stage gearbox with high torque
- Side handle with soft grip to absorb vibration
- Main ergonomic handle with soft grip and wide switch key
- With the appropriate mixing attachment, the machine can be used as a mixer
- Locking button for continuous operation
- Maximum diameter of the cutting edge of the drill: for wood, plastic – 45 mm; for steel – 16 mm
How to choose a nozzle
If for some reason the device was missing a nozzle, it is important to know how to select it correctly. Most models have a special standard thread on the spindle, which allows you to securely fix the nozzle. This standard has been adopted by many major manufacturers and, at the moment, choosing a suitable nozzle is not difficult.
Many models are equipped with a movable coupling with a self-clamping mechanism. A key for such tools is not required, and the diameter of the drill or stirrer can be selected independently using the information provided in the operating instructions.
Movable coupling with self-clamping mechanism
The maximum nozzle size is set by the manufacturer. This indicator depends on the technical characteristics of the device.
Drill BISON ZDM-1200 RMM2 1200 W
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The 1.2-kilowatt drill-mixer ZUBR ZDM-1200 RMM2 is optimal not only for drilling holes, but also for mixing various solutions and paints and varnishes. You can adjust the rotation speed of the tool. The advantage of the device is the presence of reverse. The drill torque is 160 Nm: this indicator provides the ability to drill holes of significant depth and diameter. The maximum drilling diameter of a mixer drill using a 16mm chuck is 40mm. The ZUBR ZDM-1200 RMM2 package includes a chuck key and an additional handle.
Drill BISON ZDM-1200 RMM2 1200 W
Advantages:
- Improved gearbox design due to increased strength of gears and installation of bearings as supports
- Hardened special alloy gears transmit high torques with minimal wear
- The closed gear cavity prevents loss of lubricant from the friction zone
- The self-switching function of the brushes when completely worn out eliminates damage to the commutator
- Significantly increased engine overload resistance
- The metal gear housing provides greater stability of the geometric dimensions of the gear, better cooling of the gearbox under conditions of increased loads and greater reliability during long-term operation
- Key chuck with a maximum diameter of 16 mm fits any bit shanks
- An additional ergonomic handle allows you to securely hold the product with such high torque during any work
- The chuck key will never be lost thanks to the space provided for it on the case
- Provides quick replacement of brushes
- Maximum drilling diameters: wood – 40 mm, metal – 13 mm
Precautions when using a drill
- In particularly dusty areas of work, use masks and gloves.
- Wear earplugs or antiphons while working. A drill is a fairly loud tool. Noise has a negative impact on human health, causes a feeling of nervousness, tires and leads to disruption of the vestibular system. Manufacturers work seriously to reduce vibration and noise, but it is better to protect yourself.
- Take breaks from work for 15–20 minutes. This will not only give the instrument a chance to rest, but it will also be useful for you to relax after the vibration load.
- Keep the drill out of the reach of children.
- Make sure the drill is in good working order. The wire must always be without breaking the insulation, and also avoid getting water on it during operation.
- Take care of the device by wiping it from dirt. After all, fine particles getting inside the instrument can render it unusable, or, at best, lead to repair.
Drill Interskol D-16/850ER 850 W
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Drill mixer Interskol D-16/850ER is a universal tool. The presented model is used both for mixing various solutions and for drilling holes. It will be an excellent solution for professionals. The Interskol D-16/850ER model operates on mains power. It is connected using a cord with the optimal length. This equipment used a powerful and reliable electric motor that can withstand continuous loads. The company's specialists have created excellent ergonomics. Due to this, the tool is really convenient and pleasant to work with. There is an additional handle for better grip. A trigger lock is also provided. The gearbox housing is made of metal. It ensures long tool life. The power of the model is 850 W. The maximum rotation speed is 1000 rpm, it can be adjusted if necessary. A reverse function is provided. If necessary, you can start rotation in the opposite direction. The delivery set includes a whisk for the auger, a drilling depth limiter, a second handle, an extension rod for the auger, and a wrench S17.
Drill Interskol D-16/850ER 850 W
Advantages:
- Trigger lock
- Special two-stage auger
- Keyless chuck for quick tool changes
- Excellent ergonomics
- Special gearbox for transmitting high-torque forces
- Electronic speed control for material-specific processing
Types of powerful drills
It’s worth starting with the fundamental difference between mains and battery models. Traditional corded drills are characterized by high power and low weight, which increases ergonomics when working with them. But being tied to an outlet limits their scope of application. Actually, this is the main advantage of models with batteries - they are autonomous and can be used at a distance from power sources. On the other hand, even powerful cordless drills are equipped with gearboxes with a low gear ratio, which also results in a limited number of supported speeds (2-3). The disadvantages of battery modifications include larger sizes due to the integrated unit with the battery. At a minimum, it adds weight, but, as already mentioned, it is in relation to a powerful instrument that balanced mass is a plus.
Drills also differ in design. Manufacturers produce models with angular, straight and pistol-shaped bodies. The choice of one design or another is determined by the operating conditions of the instrument, but the classic pistol-shaped device is considered universal. A separate category is represented by a powerful drill with two speeds, designed for stirring liquid and bulk building materials. These models have a reinforced gearbox and increased rotation speed. Two speeds make it possible to stir both viscous and fluid solutions with optimal torque
But the most important thing is that the design of the handles is specifically oriented towards vertical support perpendicular to the floor. The operator holds the drill mixer by two handles, pointing down the specially shaped nozzle
Drill Rebir IE-1206-16/2000ER 2000 W
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The Rebir IE 1206-16/2000ER drill can be used for drilling various materials. Among them are plastic, wood, steel, non-ferrous metals. The versatility will delight owners. Drill Rebir IE 1206-16/2000ER non-impact type. It has high power - 2000 W. This is enough for full use of the tool. The rotation speed reaches 500 rpm. This model uses a key type cartridge. You will not have any problems using the drill; replacing the equipment will take a little time. The maximum diameter of the cartridge is 16 mm. There is a reverse function. It is used to start rotation in the opposite direction. This option will be useful if the drill jams during operation. An additional handle is included in the package. It improves the grip of the instrument in your hands. The spindle lock function allows you to stop the chuck and drill. The drill operates from a 220 V network. It is connected using a cable with an optimal length of 1.95 m. Due to this, you can comfortably work with the equipment.
Drill Rebir IE-1206-16/2000ER 2000 W
Advantages:
- Three-stage gearbox with high torque
- Powerful motor provides excellent performance
- Main ergonomic handle with soft grip and wide switch key
- With the appropriate mixing attachment, the machine can be used as a mixer
- Locking button for continuous operation
- The ability to install in a stationary position allows you to perform work efficiently and with greater convenience
- Maximum diameter of the cutting edge of the drill: for wood, plastic – 70 mm; for steel – 32 mm
Question from a reader
Reader Alexander contacted me by email with the following request:
Good evening. I came across your blog where you repair a Bosch drill. I have a similar problem, but I have almost nothing to do with electronics. Stupidly I disassembled the trigger of a Bosch GSB 1600 RE drill. Everything worked great before, I put it together somehow, but now the soft start doesn’t work. Perhaps I’m putting the parts in the wrong order and in the wrong place. I am attaching a photo of the disassembled one. I hope this helps, the drill is good.
Photo of a disassembled Bosch drill button:
Bosch drill repair. The disassembled trigger is a button with a speed control.
Bosch drill repair. Disassembled trigger - button
I don't know how to help the reader. Maybe someone can share their experience?
Links:
I suggest reading a book that describes various curious inventions: Otto Petrik, Curiosities of Technology, Budapest 1985, 150 pp., illus.
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Drill Rebir IE-1023A-16/1300 1300 W
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The Rebir IE 1023 A-16/1300 drill is designed not only for drilling holes, but also for mixing various construction and paint materials. You just need to install the appropriate nozzle. The "Start" key can be fixed in the on position, which ensures continuous operation. The main and additional handles are equipped with soft inserts, making work much more comfortable. The model works with drills with conical shanks with a diameter of 14.5-23 mm, and with an adapter mandrel and chuck (included in the kit) - with cylindrical shanks.
Drill Rebir IE-1023A-16/1300 1300 W
Advantages:
- Aluminum gear housing for better heat dissipation
- Large torque
- Dust switch
- Classic key chuck for secure fixation of accessories
- Can install drills with Morse 2 shank
- Additional and main handles with soft coating for comfortable work
- Fixing the “Start” key for continuous operation
- Can be installed in a stationary position (neck diameter 59 mm) for efficiency and ease of use
- The maximum drilling diameter in wood and plastic is 65 mm, and in steel – 23 mm
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Which drill to choose and what to pay attention to
The types of drills are extremely varied: a cordless drill or a regular one, powered from the network, may be suitable for a master.
Main parameters and criteria for selection:
- convenience – this is the most important thing in work, otherwise the master will get tired quickly;
- functions for fixing buttons and limiting drilling depth;
- the presence of an emergency stop of the engine - its brake;
- possibility of reverse movement of the working body;
- backlight lamp;
- various positions for additional handle;
- general equipment and additional options - must correspond to what is required for the job;
- anti-vibration - no comment.
However, this is not all - more can be understood from the characteristics of the models and what is required for the specific planned work.
There is more than enough to choose from. Today's choice is rich in trademarks: from the well-known Interskol and Makita to poorly studied and new LLCs and Ltd.
