The screw gun - an irreplaceable thing in the house, especially during repair. It helps to make much quicker installation, than it would happen to the help of a drill and the screw-driver. The tool is useful as for screwing, and dismantling of fastenings. The most part of modern models of screw guns is equipped in addition with function of a drill. Buying such two-functional tool, it is possible to save on purchase of the second. How to choose the cordless screwdriver for the house in what a difference of the presented models – read further.
How it is correct and to choose the cordless screwdriver in what parameters?
To make a choice it is necessary to understand between than and what it is necessary to choose as. Let's begin with the main technical characteristics and the price policy:
- The price – device cost directly depends on the producer and a brand. It is known that a half of the price is made by a name of the manufacturer. While the country of origin on the majority of products with a world name is specified China. There are models of domestic production which are not of a lower quality and to service life.
- The form, the size and ergonomics of the device – affects convenience during a usage time. The hand is tired of the screw gun of the big size and weight during the long work stronger. Some models have an acting right angle in the case which rests against a palm and significantly reduces convenience of work.
- The battery type, its capacity – distinguish three views with the different chemical composition: nickel-cadmium, nickel-metal-gidridny, lithium-ion. Capacity of accumulators begins about 1.3 ampere-hours and reaches 3. Speed of rotation of a working part of the device depends on this indicator, it can fluctuate from 1300 rpm to 4000 rpm. Everyone will make a choice is dependent on own target tasks, namely the frequency of use and working surfaces.
- Torque and shock function – existence of shock function replaces operation of the puncher. The ability of the tool to work with various materials and diameter of a drill which can be applied depends on the power of the turning moment.
- The food voltage – the more tension spends the tool for work, the above an indicator of the turning moment he is capable to give out.
We hope that all above-mentioned criteria will help to make a right choice of the new house assistant which will serve to you true and the truth for many years.