What is the difference between the use of a normal wrench and a ratchet wrench?

So also as a wrench, how to choose an ordinary manual wrench and a ratchet wrench? Ordinary manual wrench has a simple mechanism, and uses the principle of leverage to turn bolts, screws, nuts, etc. The ratchet wrench mechanism is more complicated than an ordinary wrench, and a circlip, a pawl, a spring and a ratchet are arranged in the accommodating space of the head of the main body. The ratchet is composed of a ratchet main body and a spacer sleeve, the spacer sleeve is a circular ring with a concave ring groove on the periphery, and the spacer sleeve is matched and sleeved on one side of the ratchet main body.

Comparison of the characteristics of the wrench: The ordinary manual wrench is easy to operate and labor-intensive. A ratchet wrench can be used to rotate bolts or nuts placed in tight or inaccessible locations, and is rotatably connected to the end of the lever.

How to choose a wrench? It should be selected according to the use environment. There are differences in the pulling force and torque of different types of wrenches, and the strength of the friction force generated during use is also different.