How big is the 2.5 cm open-ended wrench?

Wrench is a commonly used installation and disassembly tool, and it is a hand tool that uses the lever principle to twist threaded fasteners such as bolts, screws and nuts to tightly hold the opening or sleeve hole of bolts or nuts. Wrenches are usually made of carbon or alloy structural steel.

Related information:

1. Wrenches usually have an opening or sleeve hole at one or both ends of the handle for clamping bolts or nuts. When in use, the bolt or nut can be rotated by applying external force to the handle along the thread rotation direction. Wrenches are basically divided into two types, dead wrenches and live wrenches.

2, the use of dead wrench, according to the characteristics of the fastened firmware to choose the corresponding wrench. When tightening, hold the end of the handle by hand and tighten it clockwise; Turn counterclockwise when loosening. Simple operation, low price and high labor intensity.

3. The opening width of adjustable wrench can be adjusted within a certain size range, and bolts or nuts with different specifications can be rotated. It is structurally characterized in that the fixed jaw is made into a flat jaw notch with fine teeth, one end of the movable jaw is made into a flat jaw with fine teeth, and the other end is made into a concave jaw with fine teeth. When the worm is pressed down, the movable jaw can be quickly removed and the position of the jaw can be changed.

4. Use of open-ended wrench: Open-ended wrench is an important tool for processing, production and maintenance in machinery industry. Advantages: it can work quickly, and the working speed is three to four times faster than that of the traditional wrench. Long service life. The manufacturing process is simple and the cost is lower than that of the wrench. Light weight, easy to carry and labor saving.