4 precautions tell you how to choose really long screws?
Although there are many screw manufacturers in China, not all screw manufacturers can find really long screws of 100mm. Even if you find a manufacturer that can produce long screws, after using it for a while, you will find that the head of the long screw is disconnected from the rod. So, how do we find a long screw manufacturer that you can rest assured? When purchasing really long screws , we will look for suppliers or manufacturers. What should we ask at the beginning of the production process they use? How did you make the long screws? The production process of long screws is nothing more than these: one is formed by welding. That is, the head and the rod are separately formed, and the head and the rod are connected by welding. There is also a cold shovel that is molded at one time using a clamping machine. This production method allows the head and the stem to be formed at one time, reducing the risk of breakage. Of course, there is another one that is proc...