Custom carbon steel combination sems screw

Short Description:

There are many kinds of combined screws, including two combined screws and three combined screws (flat washer and spring washer or separate flat washer and spring washer) according to the type of combined accessories; According to the head type, it can also be divided into pan head combination screws, countersunk head combination screws, external hexagonal combination screws, etc; According to the material, it is divided into carbon steel, stainless steel and alloy steel (Grade 12.9).

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Product Detail

Product Tags

Description

Combination screw, one screw is equipped with only one spring washer or only one flat washer, or it can also be equipped with only one spline two assembly, used for connecting and fastening parts such as household appliances

Product Application

The combination screw is easy to use, does not need the assembly gasket, and effectively provides the production efficiency, so it is widely used in the electronic field. The head type of the combination screw is generally designed as pan head cross type, outer hexagon combination type and inner hexagon combination type, and can also be designed according to the actual needs of customers.

Custom carbon steel combination sems screw (2)

Custom carbon steel combination sems screw (3)

Main Differences From Ordinary Screws

In fact, the combination screw is also a kind of screw, but it is special. Generally, it is a three assembly or a two assembly, but at least a two assembly can be called a combination screw. The main difference between ordinary screws is that they are equipped with one more spring washer or one more flat washer than ordinary screws, or three assemblies are equipped with one more spring washer. This is the main difference between the appearance of combination screws and ordinary screws.

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