There are two types of wrenches, dead wrenches and adjustable wrenches: the former refers to the wrench that has a fixed number written on it, and the latter is the adjustable wrench.
1. Wrench: One or both ends are provided with fixed-size openings for screwing nuts or bolts of a certain size. 2. Torx wrench: The working end with hexagonal hole or twelve-corner hole at both ends is suitable for occasions where the working space is small and ordinary wrench cannot be used.
3. Dual-purpose wrench: One end is the same as the single-head wrench, the other end is the same as the wrench, and the bolts or nuts of the same specification are screwed at both ends.
4. Adjustable wrench: The width of the opening can be adjusted within a certain size range, and the bolts or nuts of different specifications can be twisted.
5. Hook wrench: Also known as a crescent wrench, used to twist flat nuts with limited thickness.
6. Socket wrench: It is composed of a plurality of sleeves with hexagonal holes or twelve-corner holes and is equipped with various accessories such as handles and posts. It is especially suitable for bolts with very narrow position or deep depression. Or nut.
7. Allen key: An L-shaped hexagonal bar wrench designed to screw the hexagon socket head cap screws. The model of the Allen key is in accordance with the size of the opposite side of the hexagon. The size of the bolt has the national standard.
Uses: Specially used for fastening or disassembling round nuts on machine tools, vehicles and machinery.
8. Torque wrench: It can show the applied torque when the bolt or nut is turned; or when the applied torque reaches the specified value, it will emit a light or sound signal. Torque wrenches are suitable for installations where the torque is clearly specified.
9. Adjustable wrench: The structural feature of the wrench is that the fixed jaw is made into a flat jaw with a fine tooth; the movable jaw is made at one end with a flat jaw; the other end is made with a concave jaw with a fine tooth; Press the worm and the movable jaws can be quickly removed to change the position of the jaws.
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Label: The main type of wrench
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