- Types drills
- Features impact drills
- Choice Drills
- What else you need to take into account
Selection of drill depends on the specifics of the upcoming work.Sometimes you can get the usual modest impact drills, and sometimes need a more professional tool.To choose a drill, it is necessary to know some of the features of various types of tools.
All drills can be divided strictly into two types:
- conventional drill with a bang (screwdriver);
drill with a bang - less powerful than punch.Drilling function she is the main.It is great to work with materials such as steel and wood.Using a drill and drill tiles.In order to work with is not very solid materials in the home, it is quite suitable conventional drill.
Punch - a professional tool.Drilling function he is not the primary.Typically, during his strike function is not disabled.Punch - a great tool for working with concrete.It can be done in the concrete walls of the large-diameter holes.I
simple drill can work where you want the small diameter of the holes.For example, it can produce a hole in the concrete with a diameter of 13 mm, in the tree - 20 mm, and in steel - up to 8-9 mm.For larger holes need another, more powerful tool.This should be considered before the drill select the store.Features
Drills have three main characteristics by which they differ.
- diameter drilling.This figure has already been discussed above.To drilling capacity was high, it is necessary to select a more powerful tool.
- Rated power.
- number of revolutions per minute.
Before you select Drill for home, we need to consider whether you need more power.Most often, the living conditions are suitable for low-power or medium-power units.
working conditions with a drill
Drill - screwdriver has two main functions:
- twisting and untwisting of the various fixtures.
Each model can have some of the functions of the two dominant.Therefore, choosing the tool, you must immediately decide what is a priority: drilling and loosening screws.Selection of drill depends on the specifics of the upcoming work.
most convenient option Drills - a cordless drill.It can operate in places where it is impossible to draw an electrical cable.During construction of a new home, for example, there might simply not have access to electricity.Drill with battery to save the situation.
How to determine what is more oriented drill: drilling on or twist?For this we need to look at features such as:
- number of revolutions per minute;
cordless drill When selecting a model with a rechargeable battery it is necessary to pay great attention also to the battery itself.Today on the market a lot of different devices of this type.Batteries are:
- nickel cadmium;
- Nickel - metal hydride;
- lithium ion.
NiCd battery should be removed immediately.It is not environmentally sound.Because cadmium - a harmful allergen.Nickel - metal hydride unit good.Lithium-ion batteries - the highest quality, but the Russian market until that little instrument with such devices.
battery must be of sufficient capacity so that it did not have to constantly recharge.Therefore, this option must also be properly checked.You can also take a drill with replaceable batteries or one that can be recharged from the mains without removing the device from the instrument.
What else you need to take into account
electric drill works by pulling the trigger.The more clicks on the master, the higher the momentum of the drill.Work with an electric tedious because overstrained hand.When choosing a better buy a professional tool that is adapted to the maximum working comfort.
best power produced in the West.The fact that there is very highly developed segment of highly skilled workers.Almost all the new developments in the field of electrical appliances go from there.
Select a suitable drill will help you the next video: