It's exhausting to screw screws and screws with a screwdriver, because the modern market offers now an alternative replacement - a screwdriver .
To choose now a modern professional tool is not a problem now - there would be enough money. But when it comes to buying, then a person can easily become confused among the abundance and variety of models.
Not everyone knows how to choose the right battery screwdriver, and therefore it is better to resort to the help of a knowledgeable person or to study this issue yourself before visiting a specialized store.
Which company to choose a cordless screwdriver?
Modern manufacturers offer a very good choice of their products. Here are the most popular brands:
- Bosch;
- AEG;
- Makita;
- Hitachi.
Specifications
Of course, the most important thing in choosing any tool and equipment is to find out what properties a particular product has. Before choosing from the battery screwdrivers suitable for you it is necessary to familiarize yourself with its technical characteristics:
- Battery power . The heart of this equipment is a battery. It depends on its capacity and how long the work will last. The weakest battery, at 1.5A will work for at least an hour, and if you buy more powerful, then the work can go almost without stopping. It is very important when the second spare battery is used in the screwdriver set, which is used during the recharging of the first one. It is very important for a long and trouble-free operation to fully discharge and charge the battery. If you do this in part, then soon it will become unusable, and with it a screwdriver. The nickel-cadmium battery costs a little less, but it loses a little to the lithium-ion battery, according to its data. So the choice is for the buyer, who wants to either save money or buy a long-lasting tool.
- The weight of the instrument and its ergonomics . As a rule, you can choose a cordless drill-screwdriver based on weight. Thus, a light kilogram unit will be convenient for small jobs and will fit even for a woman's hand. But given that the main weight falls just on the battery, the capacity is unlikely to be high. The most convenient is a one-and-a-half-kilogram screwdriver with a non-slip rubber grip. Basically, such equipment is made of plastic, and for the convenience of capture rubber pads are made, they should not be forgotten.
- The twisting moment . The speed of rotation of the screwdriver head is one of its most important qualities. If you want to choose a truly multi-functional tool, then there should be at least two speeds. One of them, the minimum (about 480 rpm), is suitable for drywall or fiberboard. The second (about 1500 rpm) is suitable for harder materials, such as hardwood or metal. It is important that the speed selector is in a finger-friendly place - usually the button is located at the top of the case and can be clearly seen. An important and smooth stroke of the key, with which you can increase or decrease the speed of the drill.
- The maximum diameter . The larger the diameter can be
a drill is used, the more diverse the work can be done with this universal screwdriver. - Completion of delivery . A pleasant moment in the purchase may be the availability of additional batteries, a convenient ergonomic case for storage and a set of drills and bits. After all, in order for this gadget to last a long time, it should be kept in order, and the transfer to the place of work should be comfortable and safe.
- Additional functions . You can find a screwdriver, which is called shock . This is a very useful option for some works, which makes the device multifunctional.