Views: 0 Author: Site Editor Publish Time: 2019-01-10 Origin: Site
By function
1, ordinary screwdriver
It is the screwdriver that is made up of the head handles. It is easy to prepare. It can be used as long as it is taken out. However, since the screws have many different lengths and thicknesses, it is sometimes necessary to prepare a lot of different screwdrivers.
2, combination screwdriver
A screwdriver that separates the screwdriver bit from the handle. When installing different types of screws, you only need to replace the screwdriver bits. You do not need to bring a large number of screwdrivers. The advantage is that it saves space, but it is easy to lose the screwdriver bit.
3, electric screwdriver
Electric screwdrivers, as the name implies, use electric motors instead of human hands to install and remove screws, usually a combination screwdriver.
4, clock screwdriver
It is a precision screwdriver and is often used to repair hand strap type watches.
5, small diamond screwdriver
The size of the head handle and the length of the head is smaller than that of the commonly used screwdriver. It is not a clock driver.
In terms of its structural shape, there are usually the following:
1, straight. This is the most common one. The head model has a word, cross, m, T (plum), H (hex) and so on.
2, L shape. More common in hex screwdrivers, the use of their longer rods to increase the torque, which is more labor-saving.
3, T-shaped. There are many applications in the auto repair industry.
By head type
Screwdrivers can be divided into one word, cross, rice, star (computer), square head, hexagonal head, Y-shaped head, etc. according to different head shapes. One word and cross are the most commonly used in our life, like Installation and maintenance should be used. It can be said that a screwdriver is needed whenever there is a screw. Hexagonal heads are not used much. Hexagonal wrenches are commonly used. Like some machines, many screws have hexagonal holes for convenient multi-angle force. The star-shaped big sees not much. The small star type is often used to dismantle mobile phones, hard disks, notebooks, etc. We call small screwdrivers like clocks, commonly used star type T6, T8, cross PH0, PH00.