Amazing? ! Little screw is not easy! The thread is twisted like this!
Thread rolling refers to the processing method of rolling the blank between the two rolling plates into a spiral groove.
Everyone knows the thread rolling machine, and no stranger to it. The thread rolling machine has a variety of specifications, such as automatic thread rolling machine, flat thread rolling machine, semi-automatic thread rolling machine, automatic thread rolling machine, high-speed thread rolling machine, etc.
Regardless of the specifications, there is definitely no need to manually tap with a tap.
It can be seen that the advancement of science and technology has not only changed our lifestyle, but also affected our industry.