Principles for selecting the screwdriver drill

question of how to choose the drill gets in different situations.

Everyday experience shows that a set of tools for repair work in the house must have.

Regardless of the number of guests and of their age, in the flat case of different kinds of problems.

handyman have to deal with the repair of furniture, electrical appliances and other items.When attaching to a concrete wall cabinets is convenient to use a hammer drill.

When an overhaul of premises, we have to use the hammer.

For artists who are professionally engaged in interior decoration, such tools are necessarily necessary.

Species drills

All electrical tools, including drills, divided into professional and occasional use device.

In the current classification, they are divided into two types:

• ordinary drill;
• punch.

Hammer Drill in their design and principle of operation is designed to drill holes.

Shot function is optional and expands the scope of this tool.The drill is used for drilling holes in materials such as metal, wood, tile.

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punchers tend to punch holes in the brick or concrete walls and ceilings.

deciding what to choose a drill, it is necessary to pay attention to the following specifications:

• limiting the diameter of the cutting tool;
• power;
• number of revolutions per unit time.

It should be added that the drill can be powered from a household mains or battery.

Practice shows that the battery model is widely used due to its advantages.It is more mobile, with a drill more convenient to handle as it does not lead behind it stretches.

Network option is also used, often when working in areas where electrical outlet nearby.

People who are accustomed to in life to rely on their own strength, it is useful to know about how to choose the drill for the home.

In this context it should be noted that this tool is divided into professional and consumer.Ordinary electric drill is available in almost every home.

years she kept in a special case or on a shelf in the closet.When the need arises, take out and use it.

This is convenient, it is not necessary to go to the neighbors and ask her "an hour" to drill a couple of holes.

Another thing, if it is used regularly in fulfilling orders from the public.For such purposes should choose a reliable and productive drill.

It should be borne in mind that a professional instrument has a higher cost.Before heading to the store and choose, you need to know the features of its application.

important to determine in advance what work will be performed at a higher level - drilling or tightening the screws.

Before you choose and buy a drill, you have to look in the passport the following characteristics:

1. output torque;
2. rpm.

drill with high speed, about a thousand, are used for drilling.If this option is 500-600 rpm - a screwdriver.

are commercially available models equipped with gear that allows you to adjust the working tool rotation speed.
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On what parameters to choose?

question of how to choose the drill screwdriver is easily solved if you know the parameters that are important to the master.When installing plastic windows is better to use the power screwdriver.

reliable tool in the hands of a professional can cope with any job efficiently and in a short time.

When new apartment hung cabinets on a concrete wall, it is necessary to work puncher.Advance preparation is important in any business.

And before you choose and buy a drill, you need to properly prepare.This means - to be clear about the conditions under which it will be used, and what operations to perform.

Battery type

cordless drill is widely used by professionals, and the Handyman.Choosing this type, it is necessary to get acquainted with the technical specifications of the batteries.

Currently the drill is equipped with the following types of batteries:

• Nickel - Cadmium;
• nickel - metal hydride (NiMH);
• lithium - ion.

Depending on operating conditions, you can select and buy the most suitable model.NiMH battery has a minimum weight.This means that when the hand is not tired quickly.

It has a large capacity and is able to work a long period of time without recharging.

Environmentally harmless and disposed of as household waste.

Lithium - ion battery can be recharged at any time.This is important when you consider that other types of rechargeable batteries for drills require a complete discharge.

Many firms supply drills complete with two batteries.The correctness of this decision there is no need to explain.

At the same time, going to choose and buy a screwdriver, you need to pay attention to the battery charging speed.

In certain situations, it makes sense to buy a tool with a single battery, but quickly rechargeable.This avoids lengthy interruptions.

to charge the battery is used the AC adapter that comes in the kit.

power and size drill

electric hammer drill should have an appropriate weight.Weight instrument largely attached battery.

In order to drill a hole in the concrete slab, we have to make great efforts.Especially in cases where there is no possibility to take advantage of the perforator.

important to remember that the more powerful drill, the greater its size and weight.Universal drills have high torque.Asking the price to the instrument, it is better to choose a model with a reserve power.

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Assessing drill, should pay attention to the way it operates the engine under load.Before you choose and buy a drill, it should be tested on a special stand.

These stands are available in branded centers for the sale of power tools.You can select the market impact drill with the possibility to change the actuator speed.

This feature allows you to choose the optimal mode of drilling or fasteners.When drilling hard materials is very important to maintain direction.

If the hole is an oblique, the tightness in this case decreases.A similar situation arises when tightening the screws.

They are to be fastened vertically relative to the surface.Many drills are available with reverse function.This allows a twist fasteners and unscrew them.

Options drill

Before you choose and buy a hammer drill, you should evaluate and test its equipment.

electric drill equipped with two types of cartridges - and keyless hex.

Hex works best when the mounting work.Replacement of the executive instrument it is made quickly and without any special tricks.

Keyless chuck is considered universal.It is designed for fixation of any executive instrument.Included should be a set of bits.

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It is necessary to draw attention to the fact that the greater the number of nozzles, the better.Later, while working around the house, do not have to run to the shops and buy the missing items.

Included with the drill is always supplied power strip to charge the battery.

Very often, as an additional option the lamp or lighting device, which is located on the screwdriver housing.

additional battery or a set of drills is always useful, and it's a good addition.Many companies include a set of tools for extending functionality.

In particular, the device by which the drill can be used as an electric jigsaw.In this case, you should consider and decide drill for such work will be whether to use.

Any additional item included price increases drills.

Which brand to choose?

deciding to choose and buy a hammer drill at a minimal cost, you need to show the proper forethought.Making a purchase is better in a specialty store.

In these malls performs incoming quality control.In particular this applies to complex electrical equipment.

In no case is not recommended to even pay attention to the 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 mere pennies.

When choosing and buying in the first place, it is necessary to pay attention to the existence of the guarantee.

The simplest design for drill must operate properly for a predetermined period and under appropriate conditions.

It should be stressed that today the handyman and the professionals are asked to select the product of domestic and foreign production.

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Years of experience shows that the hammer drill Makita brand is popular among professionals.

Drills and hammers Bosch company has long established in the market, thanks to the high quality of its products.

important to stress that the Russian territory the company has service centers in almost every region.

electrical devices of this brand with equal success enjoyed by all categories of buyers.

Choosing and buying any power tool, and, in particular, drills, it is responsible.Attributed to him should in all seriousness.