Rotary hammers Dexter: an overview of models, pros and cons

The use of a hammer drill can speed up many construction work. Perforators Dexter from "Leroy Merlin" belong to those power tools that, at the lowest price, provide comfortable work when punching through and blind holes, drilling concrete, brick and other materials.

In order to understand how to highlight the disadvantages and advantages of specific models of Dexter rotary hammers, it is necessary to have a general idea of ​​the characteristics by which this group of power tools is classified.

• By power. The power of rock drills usually ranges from 500 to 2000 watts. The power of the device directly determines the force of its impact. The stronger the material to be influenced, the more power of the perforator should be.
• By the type of engine placement. The placement of the engine in rock drills can be horizontal and vertical. Horizontal models are usually less powerful, but more maneuverable due to their elongated and narrow shape. Vertical rock drills are more powerful and in most cases belong to the professional tool.
• By striking force. This indicator characterizes the degree of interaction of the perforator with the material on which it acts. This indicator is measured in joules (J). For example, the impact force of household tools varies from 2.6 to 4.5 J.

• By the number of modes. In addition to the operation of punching holes, the hammer drill may have other capabilities. In particular drilling, hammering, hammer drilling.
• By type of cartridge. The chuck is a device for securing the working attachment of the hammer drill. As a rule, its appearance determines the size of the nozzle.
• By the speed of wrapping and the speed of blows. The rotational speed of the rock drills is between 230 and 2300 rpm. At the same time, the rotation speed of professional models is lower than that of household ones.
• By weight. For many, this indicator is one of the main ones when choosing a hammer drill. Models weighing up to 3 kg are considered light, the weight of heavy ones can be about 12 kg. It is worth noting here the regularity that the greater the power of the perforator, the heavier it is.
• Additional characteristics. For ease of use, many models of rotary hammers are equipped with additional functions, such as: adjustment of speed switching, reverse motion, soft start, anti-vibration system, switch stopper, wedge protection clutch, Vario-lock (allows you to change the inclination of the working surface).

• Power - 1500 W.
• Impact force - 5 J.
• The number of modes is 3.
• Wrapping speed - 780 rpm.
• Weight - 8.4 kg.

Additional description - the model is equipped with 3 drills, 2 lances, a drill chuck.

The declared characteristics of this model indicate that this rotary hammer is excellent for chipping walls and other durable materials.

The advantage of this model is a good anti-vibration system, which ensures the fixation of the tool in the hand and the drills in the chuck.

The downside of the model can be considered the lack of speed control and a safety clutch.

According to customer reviews, the Dexter 3 hammer drill, 1500 W, 3.5 J is the best combination of price and quality. For its power, it has a fairly low price.

• Power - 1100 W.
• Impact force - 3.5 J.
• The number of modes is 4.
• Wrapping speed - 1000 rpm.
• Weight - 5 kg.

Additional description - the model is equipped with a chisel, chuck, protective sleeve.

This model is positioned by the manufacturer as an excellent option for hand-held percussion instruments for professionals and amateurs. This rock drill is recommended for drilling in concrete, removing tiles and drilling for flush mountings.

The advantages of this model include the presence of a clutch that protects the tool from overloads, and a keyless chuck, which is fastened without a key.

The disadvantage of the model for some craftsmen is its weight, which makes it difficult to make holes in the ceiling.

In general, customer reviews boil down to the opinion that this is a good device with high power for the lowest price.

• Power - 800 W.
• Impact force - 3 J.
• The number of modes is 4.
• Wrapping speed - 1100 rpm.
• Weight - 5.6 kg.

Additional description - the model is equipped with a chisel, chuck.

This model is suitable for occasional construction activities. This is ideal for those who are not involved in construction and repair on a professional basis, but sometimes use the tool for domestic purposes.

The advantages of this model include the low price and the presence of four operating modes: drilling, hammer drilling, crushing, rotation of the chisel, as well as a depth gauge, which allows you to monitor the depth of the hole during the drilling process.

According to consumer reviews, this model is justified for purchase for the purpose of carrying out periodic or one-time repair work in everyday life. Many have tried it for removing tiles and for drilling holes in brick walls.

• Battery voltage - 18 V.
• Impact force - 1.2 J.
• The number of modes is 2.
• Wrapping speed - 850 rpm.
• Weight - 1.5 kg.

Additional description - the model is equipped with a chuck, drills, bits and a case.

The purpose of this rock drill is to operate it without a power source. At the same time, in terms of many characteristics, it is not inferior to more powerful models.

The undoubted advantages of this model include low weight, which allows you to work anywhere and at any height, as well as the presence of wireless power. In addition, the absence of a wire makes this hammer drill more convenient to use.

The disadvantages of a cordless hammer drill are often indicated by its low power and the inability to install large diameter drills.

You can watch an overview of the Dexter Power 1050WT 3.5J rotary hammer in the video below.