Instruments

How to choose a drill

The modern market of building toolsIt offers a huge range drills. A variety of models can cause uncertainty. Let's consider the basic parameters that must be taken into account when purchasing products.

What to look for when choosing a drill

From the outset, it is necessary to decide forwhat purpose device will be used. So, if you plan to use it to not only make the holes, but also to tighten the screws and screws, then well, that the product was equipped with speed control. It is easy to understand - better to drill at high speed, and to work with hardware - low.

When planning to buy a drill where the price will below, it is important to pay attention to the power output. Usually it is in the range of 300-1 500 watts. Naturally, the characteristic that the higher the better. On the other hand, for the twisting and untwisting of conventional screws special need for power tools have high power. But when it comes to drilling materials, especially bricks and concrete, the high power - it is not just a desire but a necessity.

Another important indicator - the presence of the striking mechanism. It will be indispensable in making holes in hard materials, making a drill-like punch.

Determine the type of cartridge

Today, one can be installed in the drill fromtwo types of cartridges - the usual key or keyless. In the first case for mounting a drill using a special key, but in the case of loss of working with the tool becomes extremely problematic. Besides fixing the drill requires a considerable amount of time. In contrast, in the keyless chuck need only make an effort hand. The quality of the fixation is approximately at the same level.

However, keyless chuck, there is one weakside - better to avoid getting into the fine dust generated during drilling of asbestos and concrete. It is important to bear in mind that the size of the cartridge at the different models is different. Most allows the drill with a diameter of 13 mm, some up to 9 mm, there are those who work with the 16-mm tool.

As can be seen when selecting the drill should consider a number of important parameters. Only in this way will be able to purchase a tool that will meet the goals and delight in their work.

How to choose a drill
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