What is the tool for turning screws called?

A screwdriver is a common tool used to turn a screw into place, it usually has a thin wedge-shaped head that can be inserted into a slot or notch in the head of the screw. screwdrivers don't have round heads, because round heads have no torque at all. One word is to ensure torque, and the cross helps distribute the power more evenly. According to the power source to divide the manual screwdriver and electric screwdriver, according to the batch head or knife head to divide into flat head and cross (Philips).

An electric tool for turning screws is called an electric screwdriver, electric screwdriver is also known as electric batch, electric driver, electric screwdriver is equipped with adjustment and torque limiting mechanism, mainly used for tightening and loosening screw power tools, in the maintenance of things may be encountered, electric screwdriver, probably in the price of dozens of dollars or so. There is also a bit expensive screwdriver in a few hundred dollars or so, according to their ability to buy.

Electric screwdriver as a mechanical part, normal work can not be separated from the electric power supply, electric power supply for electric screwdriver to provide energy and related control functions, drive the rotation of the motor. Because the parameters of the electric screwdriver motor are different, the speed will be different under the same power output from the batching power supply.

There is a kind of equipment called automatic locking screw machine, it can replace manual locking screw, very convenient and fast. choose electric screwdriver to choose according to need, has the home use or professional use, usually with a professional and family electric group difference on power, specialized in electric group power is larger, to reduce workload for professionals, families used without big work, the workload is relatively less, so don't need a big input power.

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