The screw cap and the screw rod are matched. You cannot replace the screw cap at will, because the thread gap of the screw rod is fixed, and the model is different. The thread gap is also different. If you replace the screw cap that is not satisfied with the thread, the screw will be damaged. Pole. It may be a little jerky when screwed on, but it will be stuck when removed.
Generally speaking, there is no problem when unscrewing the nut, but you must be careful when screwing it on, because the thread pattern of the tire screw rod is very fine. If it is not aligned ... it can also be screwed on, but the thread pattern will be damaged. Forcibly tighten, the screw rod must be silky.
If the above two items are not completed, the screw rod will slip. Once the slip is stuck, it can only be unscrewed. The consequence is that the screw rod will break in the nut. You only have to go to the repair shop to replace the screw rod and the matching nut.
Replacement tires are also asked by the university. You do n’t know the cold knowledge of screwing.
Generally speaking, the price of a set of screw rods and nuts is not expensive, about 50 yuan. However, this kind of accessories is cold stock, it is difficult to meet the matching model, and the thickness or length may be different from the original.
Replacement tires are also asked by the university. You do n’t know the cold knowledge of screwing.
In addition, replacing the screw rod seems to be a very simple task, but it is actually troublesome. It does not require very high technology, but some models even need to remove the horns when changing the tire screw rod, which greatly increases the man-hour cost and increases the instability brought by maintenance.
