No matter what kind of industry, as long as it is assembly, it is basically inseparable from the thread, and the thread is essential for tapping. When it comes to tapping, my friends, you may know more or less. Because it is common for broken taps to appear during processing. Therefore, Xiaobian here is to provide some insights for the master of the fitter, machine tapping, the removal method of broken taps, for your reference.

The head of the self-tapping screw is pointed and can be used normally without drilling. Widely used in doors and windows and iron sheet. So do you know what are the forms of self-tapping screws? Let's take a look at the thread types of self-tapping screws together.

A fine thread nut is a common object used to connect two parts. In contrast to the fine thread nut, there is also a nut called a coarse nut. This coarse nut is used in the general case, or in the case where the fineness is not required, the coarse nut is used. It is required to have better fixing and sealing, and there is a time when the joint is rotated, that is, when the fine thread nut is used. So what is the difference between a fine thread nut and a coarse nut? Where are the fine thread nut nuts used? Let's take a look at it together.