Overview 8 kinds of the best electric wrenches: how to choose which one to buy, the pros and cons, features, rating

During the repair, installation and dismantling, where the role of the threaded fasteners protrude compounds electric nutrunner has several advantages over the use of ordinary wrenches keys. Among them - a high performance, ability to deal with complex bolting requiring high forces on the puff and become attached unscrewing nuts. Electrical options, compared with the same hydraulic or pneumatic counterparts, more mobile, compact and lightweight.

How to choose an electric screwdriver

Instrumental market offers a wide range of electrical wrenches both household and professional level, each of which has unique features and technical characteristics. Based on them, the unit should be selected for specific tasks.

Food

Each electric power wrench of the type refers to one of the following categories:

• Network - powered home network.
• Cordless - powered by a built-in or removable battery.
• 12-volt - powered from a DC source voltage of 12 volts, for example, car cigarette lighter or battery.

The tool of the first group is superior to the other two on the power, but also among the storage options are found productive model, and their main advantage - the independence of the network. Wrenches 12-volt car is called, as their main purpose - assembly and disassembly fixture passenger cars wheels.

appointment

By appointment tool is divided into:

• Home - small, lightweight, impact wrenches, not designed for continuous operation.
• Professional - is specifically designed for continuous operation in harsh environments. As a rule, it is a powerful productivity tools.
• Specialized - designed for specific tasks. Examples are podkatnye model for tire trucks and heavy machinery.

Power

The more powerful engine Electro, so it is able to cope with more difficult fixture. For example, to remove the wheel of the car, the unit will require about 350 watts. At the same time, truck tire mounting or assembling of steel structures require wrench which engine is capable of producing more than 1 kW.

Torque

This is probably one of the main indicators, which should be guided in choosing Electro. Excessive torque is able to damage the fixture, while too low simply will not delay the nut or bolt with a calculated effort. For household model parameter is from 100 to 300 nm, while the production tool on the spindle transmits a torque of 500 Nm.

Spindle speed

This parameter defines the full performance of the wrench. The faster the spindle rotates, the faster the work is performed. Tool for garages and industrial companies has a spindle rotation speed of 1.5-3.2 thousand. rpm.

The firing mechanism

Its presence significantly simplifies unscrewing of the drag or become attached fastener. In addition, the hammer mechanism allows for more qualitative tighten this same fixture. Between stressed and unstressed models wrenches should be selected first.

Additional functions

Each of the additions enhances the value of the instrument, which means that when you select should be defined in advance, if necessary in each specific item. Simultaneously, additional options facilitate the work. Among the additions are the most popular:

• Electronic speed control;
• electronic brake;
• backlight workspace;
• torque control.

Also wrenches are chosen based on their designs. Besides the classic lines, there are angular models designed for use with fasteners in tight spaces.

Best electric shock Wrench

network wrench Makita TW-350 - the perfect solution for car. This shock model has a capacity of 400 W and is able to spin up to speed spindle 2 thousand. rev / min. Coma, developers have equipped wrench electronic system speed control and reverse function. Maximum torque on the fastener tightened to 350 Nm. Durability and reliability of the model due to the impact resistant housing with rubberized ergonomic handle and a metal gear, protected special seal of rubber. Percussion mechanism provides two thousand. beats per minute, which allows even the most difficult to unscrew the bolts and nuts.

The electric wrench of this model is equipped with a friction ring chuck that provides a simple and quick replacement tooling. The package, in addition to the tool itself, includes Allen key and a carrying case for storage and transportation.

Characteristics

• Type - straight, percussive, network.
• Power - 0.4 kW.
• Torque - 350 Nm.
• Turnovers - 2 thousand. rev / min.
• Strokes - 2 th. beats / min.
• Cartridge: type - ½ ", diameter - 12.7 mm.
• The presence of the reverse - there.
• Speed ​​control - electronic.
• Weight - 2.9 kg.

pros

• comfortable grip;
• high power;
• a great tool for the needs of service centers.

Minuses

• weight of the tool can impede movement.

Best car electric wrench

Car wrench Autolux AL-1304 powered from the cigarette lighter - a reliable assistant motorist on the road and in the garage. In a robust housing made of ABS-plastic hidden powerful engine is transmitted to the spindle torque 340 Nm. The model is a convenient two-position trigger key, which is also responsible for the direction of rotation. Furthermore, when a weight of only 1.6 kg is equipped with a percussion tool mechanism to tighten the nuts of the car wheels with sufficient force.

When the unit consumes 10 A current, and its main drawback - the impossibility of continuous operation without interruption. After 10 minutes of manual wrench can overheat and fail. The model is equipped with a plastic carrying case for storage and transportation, which does not take up much space in the trunk of a car.

Characteristics

• Type - straight, percussion, power 12 W.
• Power - 175 Watts.
• Torque - 340 Nm.
• Cartridge: Type - ½ ".
• The presence of the reverse - there.

pros

• work from the cigarette lighter;
• the weight;
• cost;
• the presence of the hammer;
• the existence of the case;
• Russian-speaking guide.

Minuses

• Wire length is often not enough;
• operation time should not exceed 10 minutes.

Best Professional Electric Impact Wrench

Shock Pulse network model Hitachi WR22SA It refers to the professional class wrenches. The tool is equipped with a square cartridge to ¾ "and works with a wide range of mounting dimensions from M14 to M24. The entire structure has a high strength and wear resistance due to the use in the manufacture of the metal body and quality of filling. For convenience, the handle is equipped with a rubber lining. Particular attention should be given to a two-stage start-button, by pressing the upper or lower portion of which the spindle rotational direction is switched.

Professional wrench from Hitachi has 850 W and is able to develop at a maximum speed of 1800 rev / min torque of 610 Nm. To hold the tool quite weighty supplied includes additional handle, made in the form of a side grip.

Characteristics

• Type - straight, percussive, network.
• Power - 0.85 kW.
• Torque - 610 Nm.
• Turnovers - 1.8 thousand. rev / min.
• Strokes - 2 th. beats / min.
• Cartridge: type - ¾ ", diameter - 19.5 mm.
• The presence of the reverse - there.
• Weight - 5 kg.

pros

• assembly, ergonomics;
• performance and reliability;
• change direction of rotation of a two-position trigger.

Minuses

• the intensive use of the mechanism is possible overheating.

Best-electric jack wrench

set of motorist Kraftincluding jack orthorhombic type electric and electric nutrunner - good help hand tool when replacing the car wheels. Himself a jack fitted with an independent motor and equipped with a handle for mechanical lifting. Is controlled by a remote control, to which the housing is located flashlight.

As for the screwdriver, it will issue to the spindle 340 Nm of torque, which is enough to work with fittings of passenger cars wheels. The connection is made as a cigarette lighter, or directly to the battery terminals at the expense of the adapter with the corresponding terminals. The entire kit fits into the case, it fits easily in the trunk.

Characteristics

• Type - set a jack-wrench.
• Torque - 340 Nm.
• capacity jack - 2 m Type - rhombic.
• Weight - 7.42 kg.

pros

• work from the cigarette lighter;
• Included 2 heads (17-19 and 21-23);
• the ability to connect to the car battery.

Minuses

• Chinese production;
• price.

Best cargo electric wrench

It is extremely powerful networking tool Makita TW1000 professional class is designed for intensive work under high loads. The direct purpose of the model - industrial work, which means that a truck fasteners it can cope easily. All high-performance filling wrench hidden in a rugged housing. The firing mechanism and gear unit, which develops the rotation speed of 1400 rpm to 1000 Nm outstanding points, covered with an aluminum protective jacket. Overheating is prevented by all of the same aluminum having high thermal conductivity.

Among the differences from the model analogues allocated ease of maintenance as well as carbon brushes, you can get outside. tool weight exceeds 8 kg, but the developers have managed to achieve a good balancing to compensate for this disadvantage. In addition wrench equipped with a side handle which can be locked in any position. The main handle also has a rubber coating. The package included a plastic carrying case for storage and transportation.

Characteristics

• Type - straight, percussive, network.
• Power - 1.3 kW.
• Torque - 1 thousand. Nm.
• Turnovers - 1.4 thousand. rev / min.
• Strokes - 1.5 thousand. beats / min.
• Cartridge: type - 1 ", diameter - 25.4 mm.
• The presence of the reverse - there.
• Weight - 8.4 kg.

pros

• power and torque;
• additional handle;
• quick replacement of carbon brushes;
• there is the reverse function;
• reliable and durable.

Minuses

• the weight;
• a short power cord;
• no carrying strap.

Best angular electric wrench

Compact corner tool Makita TL065DZ on battery power ensures efficient work with fasteners in the most remote places. With its small size, and most importantly - the weight, which is only 1.6 kg, has not in the low torque of 60 Nm. The model is able to operate with nuts and bolts until the size M12. In poor lighting situation saves integrated lighting of working space, which continues to operate after the start button is released.

Broad functional capabilities of the model are confirmed by the presence of the reverse function, electronic speed control systems, and electro-motor. High duration of operation provides a lithium-ion battery with an output voltage of 10.8 V. Furthermore, the battery is compatible with another battery from the tool Makita, operating from the same voltage. This means that in the presence of such a tool is not necessary to re-buy the battery wrenches, bearing in mind that it is not included in the delivery.

Characteristics

• Type - angular, percussive, battery.
• Torque - 60 Nm.
• Turnovers - 2 thousand. rev / min.
• Strokes - 3 thousand. beats / min.
• Cartridge: Type - 3/8 ".
• The presence of the reverse - there.
• Speed ​​control - electronic.
• power options: type of battery - Li-Ion, Voltage - 10.8 V.
• Weight - 1.6 kg.

pros

• the weight;
• lights workspace;
• Battery compatibility with other manufacturer's instruments;
• no vibration;
• ergonomics.

Minuses

• batteries not included battery;
• chuck dimension is not the most common.

Best electric screwdriver with torque

ZUBR ZGUE-350 - a tool with adjustable torque. Gear housing made of aluminum and is equipped with external opening, that allows you to replace the brushes that come in the package easily. The presence of on-off button allows you to start, keeping his hand on the handle, to change the direction of spindle rotation. The electric power is not very high - 350 W - allows to issue gearbox torque of 300 Nm and provides a spindle rotation speed to the classic two thousand. rev / min. Reliable impact mechanism 3 outputs a thousand. beats per minute.

For convenience, the model is equipped with an ergonomic handle with rubber studs, a 5-meter power cord will eliminate the need to use extension cords. Case for storage and transport have to buy separately, since the tool is delivered in a cardboard box.

Characteristics

• Type - straight, percussive, network.
• Power - 350 Watts.
• Torque - 300 Nm.
• Turnovers - 2 thousand. rev / min.
• Strokes - 3 thousand. beats / min.
• Cartridge: type - ½ ", diameter - 12.7 mm.
• The presence of the reverse - there.
• Speed ​​control - electronic.
• Weight - 3.15 kg.

pros

• cost;
• Warranty - 5 years;
• common type of cartridge;
• long wire network;
• replacement of the brush in the kit.

Minuses

• the weight;
• lack of complete case study;
• noisy gearbox (corrected by applying additional lubrication after purchase).

Best Electric Impact Wrench 12 Volt

Compact yet powerful instance wrench BORT BSR-12 powered by 12-volt DC mains. The model is not designed for serious load, but due to its characteristics is one of the best solutions for motorists. Energize the device can as a car battery terminals, as well as from the cigarette lighter, and even 12-volt line computer unit suitable power supply. Torque 350 Nm will be sufficient to unscrew and tighten the wheel nuts cars.

When such a low price is not without its flaws. It is a question of poor lubrication from the factory units. For this reason, after the purchase is recommended to disassemble screwdriver and apply additional lubricant to come into contact with each other rotating parts. Another shortcoming - the length of the power cables. Sometimes it is not enough, therefore, should further increase and a half or two meters.

Characteristics

• Type - straight, percussive, powered by 12 V.
• Torque - 350 Nm.
• Turnovers - 3.3 thousand. rev / min.
• Cartridge: Type - 1/2 ".
• The presence of the reverse - there.
• Weight - 1.4 kg.

pros

• price and power;
• weight and size;
• Universal 12-volt DC power source;
• carrying case included.

Minuses

• quality lubricant elements;
• bit short wire.

The electric wrench greatly facilitates the process of working with threaded fasteners. Powerful models, designed for industrial operating conditions, and all are indispensable if you want to loosen or tighten, for example, large-diameter nut. Buying a favorite tool, make sure that the shaft size matches the end cap, and vice versa.