Which screwdriver is better to buy, how to choose

Let's try in this article to answer a very common question: which screwdriver is better to buy. But first we'll consider where the screwdriver is used. It is an electric tool for twisting or unscrewing screws, screws, in short, various fasteners. With its help you can drill various materials - wood, metal, brick, concrete, plastic. But the main professional use is furniture production. We will make an overview of the basic performance of the screwdriver for use at home, in the garden, in the garden, at the dacha, to make it easier for you to choose the right tool.

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Content:
  • Screwdriver manufacturer - the main indicator when choosing
  • Tool power
  • Types of batteries

The screwdriver itself is a fairly simple tool, there are no special constructive differences between different models, the principle of operation is the same for all.

There are three main characteristics on which you need to choose which screwdriver to buy:

  1. manufacturer,
  2. power,
  3. type of battery.
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Screwdriver manufacturer - the main indicator when choosing

There are a lot of manufacturers. The main difference is that well-known manufacturers have a fairly serious quality system, but at the same time they invest a lot of money in advertising. Accordingly, their screwdrivers are of high quality, but more expensive, sometimes even unreasonably expensive.

Less well-known manufacturers invest less in advertising, but their quality will be weaker. So the choice of the tool by the manufacturer is the choice between quality and price.

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Tool power

The second parameter, which you should pay attention to when selecting - this is the power of the screwdriver. It is measured in Newton meters (nm). It's easier to say this: the stronger the "torque the stronger you can hold the nozzle or deeper, drill the hole wider.

For domestic work, usually when choosing a shop, ask screwdrivers of three capacities (according to everyday estimates):

  • more powerful,
  • as all take, that is,
  • anyway, which one - if only to spin.

Let's start with the third parameter. This is a normal rechargeable screwdriver. The torque is about 10 n-m. With this screwdriver, you can unscrew or twist the small fasteners, repair children's toys or loosely clamped furniture bolts.

According to the second estimate, this is a normal screwdriver with a torque of up to 20 n-m. They can already unscrew, twist any fasteners or something small drill. But basically such tools with such data are used only as a screwdriver, that is, when it is necessary to unscrew or twist something.

On the first parameter - "helper" - is an electric tool with a torque of 30-40 n-m and above. They can unscrew-twist everything you need and use it as a drill.

By the way, the power of the screw driver is not always indicated in Newton meters. There is another unit of power measurement - voltage. True, this is an obsolete name for the unit of measurement of electrical potential, but it is sometimes used. When choosing a screw driver, focus on the amount of voltage - the higher it is, the more powerful the tool.

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Types of batteries

There is one more parameter, without knowledge of which one can not do with the purchase of a screwdriver - the material used in the manufacture of the battery tool.

Batteries come in the following types:

  • nickel-cadmium - marking on them looks like this - NiCd. They have a memory effect, that is, before charging, the battery should be discharged completely, to zero. And if you do not, the battery capacity will decrease. And the battery capacity depends on the duration of its operation without recharging;
  • Lithium-ion - with the marking - Li-ion. They can be charged in any condition.

Honestly, for a household electric shock the capacity of the battery does not matter much. There are models with a capacity of 1A (ampere) A, 2A. If you do not work every day five days a week with a screwdriver for 6 hours in a row, then this parameter is not very important for you. If even the battery is suddenly discharged, then it will not be a big problem to put it on recharging.

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In each tool there are additional options:

  • reverse - switch the direction of rotation, thanks to this option, you can twist or unscrew;
  • a quick-release chuck allowing quick clamping or, conversely, quickly removing the nozzle;
  • adjustment of the clamping force or electronic brake, that is, if you clamp the nozzle in the cartridge, the screwdriver stops itself.

Options such as backlight, a magnet for bits and attachments, a belt hook is not available on all screwdrivers, but they are not so important for working at home.

We listed the main parameters by which we will choose a screwdriver for the house.

We will repeat them one more time.

The main parameters for a screwdriver are:

  • producer - price-quality ratio;
  • Power - Newton-meters, torque or voltage;
  • the type of battery - this will determine how quickly it will be discharged, and how it should be charged.

The remaining parameters of the screwdriver for home use are not particularly important.

Enjoy the shopping!

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