The combination screw is actually a kind of screw, but it is special. Generally, it is a three-assembly or a two-assembly, but at least it is a two-assembly to be called a combination screw. The main difference from ordinary screws is that they are equipped with one more elastic washer or one more flat washer than ordinary screws, or it is a three-component assembly, and one more elastic flat washer. This is the main difference between the appearance of combination screws and ordinary screws. Combination screw

In addition to the obvious difference in appearance between combination screws and ordinary screws, the main difference is the difference in mechanical properties and uses. The combination screw is a three-assembly or two-assembly with a spring flat washer. Of course, it is a common screw with a spring flat washer. If the elastic flat pad is fitted, the elastic flat pad will not fall off. Fastened to form an assembly. In terms of mechanical performance, the combined screw is a combination of three accessories, and in terms of performance, it must be three fasteners to work together. The mechanical performance of the combined screw is stronger when used. More convenient, the biggest advantage of the combined screw is that the production line can be operated conveniently and quickly, and the work efficiency can be improved.

The main difference between the use of combination screws and ordinary screws lies in their versatility. The uses of ordinary screws are more extensive than those of combination screws. Basically, common screws are used on industrial products. Combination screws! It is only useful for specific product materials. When the screws need to be used with spring washer and flat washer, the combined screw can be used at this time.