Each person at least once in his life faced repair work. This is not only the purchase of new wallpaper, tiles and glue, but also special equipment that is necessary for high-quality work. One of these tools is a hammer drill. It is necessary, first of all, for making holes (wood, concrete, etc.), working with hard materials. One of the best of these devices is the DeWALT rotary hammer.
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They are divided according to several indicators. For example, by weight, purpose, by the type of impact mechanism or by the location of the engine.
By weight:
By appointment:
By the type of implementation of the percussion mechanism:
By engine location:
First of all, you need to decide what kind of tool is needed in terms of characteristics, and how often it will be used (only for household needs or for work on a construction site). Before buying, you must familiarize yourself with the model you like, with its main characteristics and reviews about it on the network. It is worth listening to the advice of friends and acquaintances who have already made similar purchases.
Pay attention to:
BOSCH (Germany), DeWALT (America), EINHELL (Germany), FORTE (PRC), HYUNDAI (South Korea), MAKITA (Japan), SPARKY (Bulgaria), STURM (Russia), DNIPRO-M (Ukraine), ZENIT (PRC + Ukraine). These firms are considered the most popular among instrument buyers.
This company was founded almost 90 years ago. During this time, it has established itself as a manufacturer of high-quality equipment for various segments of the population.
At the moment it is one of the best companies in the production of hand tools, and in terms of sales volume DeWALT is in first place in the world.
Every year, production equipment is being improved, this is necessary in order not to pollute the environment. Here they take care not only of nature, but also of their workers. Compliance with occupational health and safety standards is strictly monitored.
The product range is huge. The tools are suitable for both home and professional use.All this makes the company a leader not only in the United States, but throughout the world.
The range of this company:
An excellent example of a hammer drill with a capacity of 900 watts. Power supply from the socket, electric wire 2.5 meters. Weight is about 3 kg. Equipped with a safety clutch, vibration protection. There is a reverse, drill chuck, the ability to adjust the range of rotation.
Manufacturing capabilities - drilling, chiselling, chiseling. Works in one high-speed mode. Possibility of attaching a drill or drill - SDS-Plus. Can be used as a screwdriver.
Initial set - side handle, drill depth stop, keyless chuck, instruction manual, suitcase.
Main characteristics:
Idle reversal | 1450 rpm |
Impact frequency | 5350 bpm |
Impact energy | 3.2 J |
Drill diameter (wood, metal, concrete) | 30 mm, 13 mm, 28 mm |
The price of this model is from 10 to 11 thousand rubles.
Rotary hammer with a capacity of 900 watts. Power supply, cable 2.5 meters long. Weight: about 3.5 kg. For convenience, the auxiliary handle is rubberized, which allows you to increase the pressure on the device.
Production ability - drilling, chiselling, drilling. It can work in one high-speed mode. There is a reverse function, a safety clutch. The type of cartridge used is SDS-Plus.
Factory supplied - side handle, drilling depth stop, keyless chuck, instruction manual, suitcase.
Main characteristics:
Idling rotation | 1450 rpm |
Impact frequency | 5300 bpm |
Impact energy | 3.2 J |
Boron diameter (wood, metal, concrete) | 30 mm, 13 mm, 28 mm |
You can buy this sample for 12,000 rubles.
Rotary hammer SDS-max with a capacity of 1100 W. Operates only from mains, cable 2.5 meters long. The weight of this model is about 6 kg. More suitable for professional use.
Production ability - chiselling. During work, the blow goes directly to the drill or bit, which reduces vibration and the impact of the tool on the hands of the worker. It can work only in one speed order. The special feature of this rock drill is the chain drive and the spindle fixation. There is no drill chuck included, but it can be purchased separately (for drilling). There is also no reverse function.
Factory structure - additional handle, depth gauge, case.
For convenient work there is an additional rubberized handle, drilling depth limiter. For safe repairs - locking the power button.
Main characteristics:
Idling rotation | 400 rpm |
Impact frequency | 2740 bpm |
Impact energy | 11 J |
Boron diameter (concrete, concrete drill, hollow crown) | 40 mm, 55 mm, 90 mm |
The price of this model is about 28 thousand rubles.
Quality rotary hammer with a capacity of 1250 watts. Operates on mains only, power cord length: about 3 meters. Weight approx. 7 kg. One of the advantages of this model is the rubberized handle, which is able to “float” and additionally dampen vibration. Suitable for professional use.
It will not work as a screwdriver, since there is no reverse.
Factory complete set - suitcase, additional handle, depth gauge.
The peculiarity of this model is that there are two degrees of torque adjustment.
Production ability - chiselling. Can work at one speed. There is a function to lock the power button. In this brand are installed - safety clutch, anti-vibration system, spindle fixation, electronic speed control, wear indicator of carbon brushes.
Leading characteristics:
Idling rotation | 415 rpm |
Impact frequency | 2840 bpm |
Impact energy | 12 J |
Boron diameter (concrete, concrete drill, hollow crown) | 45 mm, 65 mm, 100 mm |
The price of this model is about 38 thousand rubles.
Professional rotary hammer with a capacity of 1500 watts. It can only work from the mains, cable length: about 3 meters. Weight: approx. 10 kg.
Production ability - chiselling. It can work in one high-speed mode. Drill or drill mounting type - SDS-Max.
Factory supplied - add-on handle, case, instructions for use, grease packaging.
The manufacturer has taken care of safe work with this perforator, because if the drill or crown gets jammed, the device will turn off immediately. This model has an additional handle and a power button lock.
The hammer drill D 25763K is equipped with a safety clutch, anti-vibration system, electronic speed control, carbon brush wear indicator.
Leading characteristics:
Idling rotation | 250 rpm |
Impact frequency | 2300 bpm |
Impact energy | 18 J |
Boron diameter (concrete, concrete drill, hollow crown) | 52 mm, 80 mm, 150 mm |
The price of such a tool ranges from 50 to 60 thousand rubles.
This model of rotary hammer is powered by a rechargeable battery, which greatly expands its possibilities of use. Weight: a little over 3 kg.
Production ability - drilling, chiselling.
It can work in one high-speed mode. There is a screwdriver function. Drill or drill mounting type - SDS-Plus.
Factory supplied - additional handle, drilling depth stop, keyless chuck, two 5.0Ah XR Li-Ion batteries with charge indication, XR universal charger, tool hook, suitcase.
The manufacturer has supplemented this model of rock drill with LED illumination of the working surface.
The DCH274P2 rotary hammer has a reverse function, spindle fixation, electronic overload protection, electronic speed control.
Leading characteristics:
Idling rotation | 1100 rpm |
Impact frequency | 4600 bpm |
Impact energy | 2.1 J |
Boron diameter (wood, metal, concrete) | 26 mm, 13 mm, 14 mm |
The price of this model is about 36 thousand rubles.
Cordless brushless rotary hammer with drill or drill attachment - SDS-Max. Weight approx. 8 kg. Suitable for both home use and professional use. Production ability - drilling, chiselling.
It can only work at one speed.
Factory complete set - additional handle, drilling depth limiter, case, without battery and charger. It is possible to buy an additional removable battery (voltage 54 V).
The manufacturer installed on this model - a safety clutch, an anti-vibration system, a spindle fixation. But you will have to adjust the speed yourself.
This hammer drill has a great feature - ADS - stop when the drill gets jammed, which will save the tool from breakage.
Leading characteristics:
Idling rotation | 540 rpm |
Impact frequency | 3150 bpm |
Impact energy | 6.1 J |
Boron diameter (concrete / drill) | 40 mm |
The cost of this model of perforator: about 35 thousand rubles.
Cordless rotary hammer in shockproof case. The weight of this model is about 5 kg.
Factory complete set - additional handle, drill depth stop, keyless chuck, two 5.0Ah XR Li-Ion batteries with charge indication, XR universal charger, tool hook, built-in D25303DH dust collector, case.
Production ability - drilling, chiselling.
It can work in one high-speed mode.
The manufacturer has equipped this hammer drill with a screwdriver and reverse function, spindle locking, electronic overload protection, electronic speed control.
Additional features include LED illumination of the working area.
Leading characteristics:
Idling rotation | 1100 rpm. |
Impact frequency | 4600 bpm |
Impact energy | 2.1 J. |
Boron diameter (wood, metal, concrete) | 26 mm, 13 mm, 24 mm. |
The price of this model is about 48 thousand rubles.
D25144k | Price: from 10 to 11 thousand rubles. |
D25144K-KS | Price: about 12,000 rubles. |
D25501K | Price: about 28 thousand rubles. |
D25602 | Price: about 38 thousand rubles. |
D 25763K | Price: from 50 to 60 thousand rubles. |
DCH481N 0 box | Price: about 35 thousand rubles. |
DCH274P2 5.0Ah х2 case | Price: about 36 thousand rubles. |
DCH275P2-QW | Price: about 48 thousand rubles. |
A huge plus of DEWALT is that they produce all the necessary components for their tools. It can be a dust extraction system, a side handle with or without illumination, a charger for various models. In addition, you can purchase related products - flashlights, vacuum cleaners for dry and wet cleaning, laser levels for vertical and horizontal use, and much more.
There are a very large number of perforators, they differ in weight, in the way they are powered (network, battery), in additional functions. When buying, it is important not to get lost in this abundance, but to make the right choice. After all, the quality of work will depend on the right tool. If the instrument is too heavy or without vibration protection, the operating time with it will be reduced, the person will get tired too quickly. This, in turn, may affect his health and the quality of the final result of work (repair). Therefore, it is important to familiarize yourself with all the characteristics before buying.
All these devices are used to perform dirty work, such as chipping walls, floors and others. These tasks require a robust, reliable and powerful machine like the Dewalt to significantly reduce repair times and protect workers' health.