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1, the common screwdriver Is to build together the screwdriver handle, easy to prepare, take out as long as you can use, but because there are many kinds of different screw length and coarseness, sometimes need to prepare a lot of different screwdriver. 2, combination with a screwdriver A separate the screwdriver head and the handle of the screwdriver, to install different types of screws, simply replace screwdriver head can, do not need to bring a lot of screwdriver. Advantage is that can save space, but easy to lost screwdriver head. 3, electric screwdriver Electric screwdriver, just as its name implies is to replace manpower by electric motor installation and remove the screw, is usually a combination of screwdriver. 4, clock and watch screwdriver Belong to precision screwdriver, commonly used in the repair of hand with clocks and watches, so have the said. 5, small king kong screwdriver Head of handle and body length size than the average of the commonly used small screwdriver, not watch screwdriver. From the structure shape, usually has the following kinds: 1, straight shape. This is one of the most common. Head type a word, cross, m, T (torx), H (hexagonal), etc 2, L. See more at hexagon screwdriver, the use of the long rod to increase torque, which is more efficient. 3, T. The auto industry application. |
