Zubr screwdrivers: an overview of models, device and operating rules

Zubr screwdrivers are well known not only in Russia, but also abroad. The tool is produced by the company of the same name, which has been present on the domestic market for more than 20 years and has proven itself only on the positive side. The manufacturing enterprise, contrary to popular belief, is located not in China, but in Mytishchi near Moscow, and is engaged in the production of drills, hammer drills and screwdrivers designed for home use and perfectly adapted to the conditions of the Russian winter.

Over the years of many years of work, the company's specialists have taken into account the numerous suggestions and comments of customers, creating a modern and reliable screwdriver, which in its performance characteristics is in no way inferior to eminent brands. The devices that came off the conveyor of the enterprise are distinguished by ergonomic shapes, compactness and modern design. All models are equipped with a reverse function that allows the tool to be rotated in both directions, so that the hardware can not only be twisted, but also twisted.

For the manufacture of the body and working units of the devices, high quality materials are used, which allows you to work with screwdrivers even in severe frost. Each model is capable of working in two speed modes, which allows some models to be used as a drill. However, a screwdriver can replace not only a drill, but also a medium-power perforator, due to which, by purchasing one tool instead of three, there is a real opportunity to save a budget and get a universal device for relatively little money.

The range of screwdrivers includes more than ten items, which greatly facilitates the choice of the desired product and allows you to satisfy any, even the most demanding request. Many models are equipped with a number of additional functions, which, although they increase the final cost of the device, are quite necessary and convenient. Among these options are additional lighting that allows you to work in the dark, electronic control and a spindle lock function, which makes it easier to change the drill or bit.

In addition, the instruments are equipped with double-sleeve keyless chucks, which allow quick tool changes without using a special toothed key. There is also a torque regulator in the devices, which makes it possible to work in 15 modes. Each screwdriver has an electronic protection system that prevents the motor from overheating during operation and protects it from overloading the network. The models are lightweight and most of them weigh only 1 kg.

Before considering how a screwdriver works, you need to refer to its device. The design of the devices is quite simple and consists of an electric motor, a gearbox that transfers rotation from the motor to the spindle, a chuck designed to fix and hold the tool, and a power cable or battery, depending on the type of device. And also the device includes a gearshift mechanism, a reverse, a toggle switch and a tightening torque regulator.

The principle of the screwdriver is also quite simple: the torque from the motor through the gearbox is transmitted to the spindle, which, in turn, begins to twist the tool installed in the chuck (bit or drill). Before starting work, select the desired nozzle, fix it in the cartridge, and set the rotation speed and the depth of screwing the hardware. Then they press the start button and get to work.

The assortment of Zubr screwdrivers is quite diverse. The enterprise has launched the production of not only classic monofunctional devices, but also a number of universal power tools: impact and impactless drills, screwdrivers, cordless screwdrivers and wrenches. The mechanisms are classified according to several criteria, the main of which is the way the device is powered. According to this criterion, network and battery devices are distinguished.

• Network electric screwdriver "Zubr" is a device, the power source of which is an electrical network with a voltage of 220 V. The models are equipped with a cable up to 5 meters long and can only be operated from an outlet. The advantages of electric screwdrivers are considered light weight, stable engine power during operation, an affordable price and a wide range. The disadvantages include the need to have a nearby source of electrical power, which is why the scope of network devices is somewhat limited.

• Cordless screwdrivers operate on 12, 14 and 18 volt batteries, and allow you to work in places where there is no electricity. Models are equipped with a planetary gearbox operating at two speeds and providing high torque. The more powerful 18-volt models use lithium-ion batteries. These batteries are charged using a pulsed fast charger, and a full charge takes only about an hour.

The devices are equipped with an electronic protection system that protects against overload or, on the contrary, deep discharge of the batteries. Thanks to the use of lithium-ion models, the productivity of the devices has increased by 35%, and power losses during operation are practically reduced to zero. The advantages of battery samples are a wider scope of application than networked ones, and the ability to work in hard-to-reach places. The disadvantages include the need to charge the battery and the rather large weight of the devices.

The company produces a large number of models, different in their power, power supply and price. Despite the fact that they are all of high quality and reliability, some of them should be highlighted.

• "Bison ZDA-10.8 LiKN" is one of the most popular drills and screwdrivers, it is distinguished by its compact size and high performance. The device is suitable for both home and professional use, and copes well with materials of different density and hardness. The device easily drills surfaces made of wood, sandstone, shell rock, brick and cement, and also quickly screws and unscrews a variety of hardware. The model is equipped with a 1.3 Ah lithium battery that can be fully charged within 3-5 hours. The reducer of the device has a two-speed design, while the shaft rotation speed varies from 350 to 1100 rpm. The device is equipped with a quick-release chuck capable of holding tools with a diameter of 0.8 to 10 mm. The model is equipped with two batteries, a charger and a 10-bit set. The cost of the device is 3700 rubles.

• Drill-driver "Zubr ZDU-580 ERKM2" is a representative of percussion instruments. The device has a power of 580 W, is powered by a 220 V network, has one speed and is capable of performing about 3 thousand revolutions per minute. The device is equipped with a depth stop that regulates the depth of screwing the hardware. With this model, you can not only tighten the screw, but also drill holes with a diameter of 1 cm in concrete and metal to 2 cm in wood. Impact power is 30,000 beats per minute. The price is 2 800 rubles.

• Network model "Bison ZSSH-550-45" belongs to professional screwdrivers and has a number of advantages. The electric screwdriver is very ergonomic, lightweight and has a comfortable handle. A wide range of rotational speed allows you to work with materials of different hardness and density, and the presence of a wrapping depth limiter will not allow you to perforate through a thin surface. In addition, the device is equipped with a limiting clutch, which will stop the transmission of torque immediately after the hardware is completely screwed in, and will prevent the destruction of the working surface. And also the screwdriver is equipped with a reversing system, a fastening clip and a magnetic tip, which will reliably hold the tool under any circumstances. The price is 2570 rubles.

The devices manufactured by the Zubr company are equipped with everything you need and are completely ready for work. Cordless models are supplied with two batteries, a charger, a belt bag, an extension cord, an adapter, and a set of drills and bits. Networked devices are all the same, except for batteries and chargers. Each model is placed in a convenient case, which greatly simplifies its transportation and storage. In addition, many devices have a flexible shaft in the kit, which helps to carry out work in hard-to-reach places that cannot be reached with a conventional screwdriver. The tool kit often includes bit extensions, several 6-13 mm sockets, instructions for use and a warranty card.

The choice of a screwdriver depends entirely on the purpose for which the tool is purchased and how often it will be used. So, when buying a home assistant, you can choose an inexpensive network model with a power of up to 650 watts. If you intend to work in a summer cottage or in a garage where there is no access to an electrical power source, then you should choose a battery model. When buying professional equipment, you should pay attention to powerful, over 900 W, percussion models with an electric drill function.

With such a tool it will be possible not only to carry out standard manipulations of twisting / unscrewing and drilling, but also to use it as a medium-power perforator, as well as to knead any mortar. Next, you need to look at the amount of torque. For household appliances, 30 N * m is quite enough, while in professional equipment this figure should be about 130 N * m.

The next selection criterion will be the availability of additional functions such as backlight or spindle lock when changing drill or bit. These options are quite convenient, but optional, and if the device is used from time to time, then it is better to purchase the simplest version of it, without overpaying for functions that you may not have to use.

If the device is chosen for the house or for assembling furniture, then the rotation speed in this case is not so important: to twist - to unscrew the hardware, even the most low-power device will turn out. However, if the device will be used as a drill, then it is better to choose a high-speed device. This is due to the fact that the greater the number of revolutions of the tool, the easier it is to control such a mechanism, and the smoother the edges of the holes being formed are.

When working with the device, you should follow a number of simple recommendations:

• work with a cordless screwdriver can only be started after the charging indicator turns green;
• do not leave the device on charge for more than 8 hours;
• before sending the device for storage, it is advisable to charge the batteries;
• installation of the tool is carried out with smooth rotational movements until complete fixation;
• when performing work, the screwdriver must be kept strictly perpendicular to the working surface;
• do not allow the tool to come into contact with ungrounded devices;
• working with a screwdriver, it is necessary to protect the eyes and skin.

Reviews of Zubr screwdrivers are rather ambiguous. So, consumers note the convenience of devices and low cost. But at the same time, many often complain about the inability to buy spare parts and the rapid failure of the gearbox, as well as the low battery charge duration and poor alignment of the device. And there are also certain claims to the quality of the materials of manufacture and the durability of the cartridge.

How to use the Zubr screwdriver correctly, see the next video.