Screwdriver : which one is better ?
to the most demanded and popular power tool that is often used on the farm, in addition to an electric drill can be attributed another screwdriver.What is better to choose, so that he pleased with his work more than one year?After all, the market is replete with these power tools, but not all of them are high quality and will last a few years.
Choice screwdriver for professional use is a crucial moment in which you can not rely solely on its price, this power should be selected and the operating parameters, which include:
- speed torque
- battery typeavailable
But what firm screwdriver best buy among the large range and a considerable number of manufacturers?Firstly, to get really high-quality tool, you need it to be from a reputable manufacturer.Namely, Bosch, Makita, Hitachi, Skil, Black Decker, Interskol Russia and others.Of course, the cost of such power come much higher than from other manufacturers, but you can be sure that nothing will break in the next month, and if this happens, the warranty it will be repaired or replaced completely free of charge.As a rule, screwdriver Interskol from the company will have to pay 3 000 rubles, while for Bosch 9 000.
Wondering what a screwdriver is better to buy, it should be noted that these power tools differ in class brand and quality of the operations.When choosing a company-manufacturer of screwdrivers, you need to focus on the stamp tool.Please be aware that any expensive model should be of high quality, and the duration of the warranty period, so it is better.Also, when you buy should pay attention to the presence of a quick replacement warranty and repair without any hitches, and excuses, such conditions indicate that the manufacturer tries to keep its brand, and therefore responsible for the quality of his instrument.
Battery selection for the screwdriver
If you want to buy a screwdriver, working independently, should pay a rechargeable battery, which three kinds:
- nickel-cadmium (Ni-Cd)
- nickel-metal hydride (Ni-MH)
- lithium-ion (Li-Ion)
it is worth noting that the first two types are similar.Nickel-cadmium batteries can withstand up to 1000 chargings, but the nickel-metal hydride only 500 of chargers, but these batteries are provided with protection against frost, but before you use it will need to fully charge and fully discharge before recharging.Otherwise the batteries to lose their capacity.Lithium-ion batteries do not have this disadvantage, but they have no protection from the cold.Also, decide what a good screwdriver, and what is not, you will help your hand, if you keep this handy tool, you can safely take, and if it causes discomfort, it is better to abandon it in favor of another model.