The question of how to choose a drill, stands up in different situations.
Everyday practice shows that a set of tools for repair work in the house must have.
Regardless of the number of residents and their age, the apartment has a different kind of problem.
The home master has to deal with the repair of furniture, electrical appliances and other items. When hanging cabinets on a concrete wall, it is convenient to use an impact drill.
When the overhaul of the living quarters is carried out, the perforator must be used.
For masters who professionally handle interior decoration of a room, such tools are absolutely necessary.
Contents:
- Kinds of drills
- On which parameters do you choose?
- Battery type
- Power and size of the drill
- Drill kit
- Which brand to choose?
Types of drills
All electrical tools, including drills, are divided into professional and periodic devices.
In the current classification they are divided into two types:
- an ordinary drill-screwdriver;
- punch.
Impact drill in its design and principle of operation is designed for drilling holes.
The shock function is optional and extends the scope of this tool. The drill is used to drill holes in materials such as metal, wood, tile.
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The perforator, as a rule, punches holes in brick or concrete walls and ceilings.
When deciding which type of drill to choose, you need to pay attention to the following technical characteristics:
- limiting diameter of the cutting tool;
- power;
- the number of revolutions per unit of time.
To this, it should be added that the drill-screwdriver can be powered from the household or battery.
Practice shows that the battery model is widely used due to its advantages. It is more mobile, with a drill it is more convenient to handle, because behind it the wire does not stretch.
The network version is also used, more often when working indoors, where the power outlet is nearby.
People who are accustomed in life to rely on their strength, it is useful to learn about how to choose a drill for the house.
In this context, it should be noted that this tool is divided into professional and household. An ordinary electric drill is available in almost every house.
It is stored for years in a special case or on a shelf in the closet. When there is a need, it is taken out and used.
It's convenient, you do not have to walk around your neighbors and ask her "for an hour" in order to drill a couple of holes.
Another thing, if it is used regularly, when carrying out orders from the public. For such purposes, you should choose a reliable and productive drill-screwdriver.
It should be borne in mind that a professional tool has a higher cost. Before you go to the store and choose, you need to know the specifics of its application.
It is important to determine in advance which work will be performed in a larger volume - drilling or tightening of screws.
Before choosing and buying a drill, it is necessary to look in the passport the following characteristics:
- power of torque;
- number of revolutions per minute.
Drill with a high speed, about a thousand, is used for drilling. If this parameter is 500-600 revolutions it is a screwdriver.
On sale are models equipped with a reducer, which allows you to adjust the speed of the working tool.
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What are the parameters for making a choice?
The question of how to choose a drill screwdriver is solved simply if you know the parameters that are important to the master. When installing plastic windows it is better to use a network screwdriver.
Reliable tool in the hands of a professional allows you to cope with any work in a quality and in a short time.
When a new apartment is hung with cabinets on a concrete wall, then it is necessary to work with a perforator. Preliminary preparation is important in any case.
And before choosing and buying a drill, you need to prepare accordingly. It means - to clearly imagine, in what conditions it will be used, and what operations to perform.
Battery type
The cordless drill is widely used by both professionals and home masters. Choosing this type, you need to familiarize yourself with the technical characteristics of the batteries.
Currently, the drill-screwdriver is equipped with the following types of batteries:
- nickel-cadmium;
- nickel-metal hydride( NiMH);
- lithium - ion.
Depending on the operating conditions, you can choose and buy the most suitable model. The NiMH battery has a minimum weight. This means that the hand during work will not quickly get tired.
It has a large capacity and is capable of running a long period of time without recharging.
Environmentally friendly and recyclable on a par with household waste.
Lithium ion battery can be recharged at any time. This is important when you consider that other types of batteries for the drill require complete discharge.
Many companies supply drills complete with two batteries. The correctness of such a decision does not make sense.
At the same time, going to choose and buy a screwdriver, you need to pay attention to the speed of the battery.
In certain situations, it makes sense to purchase a tool with one battery, but quickly charging. This will avoid long breaks in work.
To charge the battery, use the AC adapter that comes with the kit.
Power and size of a drill
An electric impact drill must have a suitable mass. The weight of the instrument is largely attached to the battery.
In order to drill a hole in a concrete slab, you have to make considerable efforts. Especially in cases where it is not possible to use the puncher.
It is important to remember that the more powerful the drill, the more its dimensions and weight. Universal drills have high torque. Asking prices for the instrument, it is better to choose a model with a reserve in capacity.
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When evaluating a drill, you should pay attention to how its engine operates under load. Before choosing and buying a drill, it must be tested on a special stand.
Such stands are available in branded centers for the sale of power tools. In the market, you can select an impact drill with the ability to change the speed of rotation of the actuator.
This function allows you to optimally select the drilling or fastening mode. When drilling hard materials it is very important to maintain the direction.
If the hole is inclined, then the fixing strength in this case will decrease. A similar situation occurs when screwing screws.
They should be twisted strictly vertically with respect to the surface. Many drills come with a reverse function. This allows you to both twist the fasteners and unscrew them.
Drill kit
Before choosing and buying a drill, you should evaluate and check its configuration.
Electric drill-screwdriver is equipped with cartridges of two types - hexagon and quick-clamping.
Hexagon is best suited for fastening jobs. The replacement of the executive tool in it is done quickly and without any special tricks.
The quick-action chuck is considered universal. It is designed to fix any executive tool. The set must have a set of bits.
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It should be noted that the more number of nozzles, the better. In the future, when doing housework, you do not have to run around shopping and buy missing copies.
Included with the drill is always a power strip for charging the battery.
Very often, as an option, a flashlight or a backlight device is provided, which is located on the screwdriver housing.
Extra battery or a set of drills is always useful, and it's a good addition. Many firms include a set of devices for expanding functions.
In particular, a device by which a drill can be used as an electric jig saw. In this case, you should think and decide whether a drill will be used for such work.
Any additional item in the kit increases the price of the drill.
Which brand to choose?
When deciding to choose and buy an impact drill at the lowest price, you need to show appropriate forethought. To make a purchase is best in a specialized store.
In such shopping centers there is an input quality control of products. First of all, this applies to complex electrical equipment.
In no case is it recommended to even pay attention to tool kits that offer to buy on the street with a hand at half the cost.
Today counterfeit products penetrate the market in large quantities. And many people are tempted to get a good thing for a mere penny.
When choosing and buying, first of all, we must pay attention to the availability of warranty obligations.
The simplest in design drill should work properly for a certain period and in appropriate conditions.
It should be emphasized that today domestic craftsmen and professionals are invited to choose products of domestic and foreign production.
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Many years of experience show that Makita shock drill is popular among professionals.
Drills and perforators of Bosch have long been entrenched in the market, thanks to the high quality of their products.
It is important to emphasize that on the Russian territory the company has service centers in almost every region.
The electrical devices of this brand are equally enjoyed by all categories of buyers.
The choice and purchase of any electric tool, and, in particular, a drill-screwdriver, is a responsible business. Take it to him with full seriousness.
