In recent days, the weather has gradually warmed up. The jasmine outside has already opened, and the smell of spring is becoming more and more obvious. Compared with the cold weather in winter, many people prefer the vitality of spring. Spring breezes, more suitable for travel. Watching the dry leaves turn into green buds in winter outside, everything is full of vitality. We are as hopeful as spring. In spring, we should carry our dreams and move towards the direction of life.
In the last issue, the editor introduced the relevant contents of welding nails. In this issue, the editor introduced the types of fasteners.
There are many kinds of fasteners, which are market demands. This article will introduce several fastener products that are often used.
Washer is a kind of flat circular fastener, which is generally installed between the support surface of bolt, screw or nut and the surface of connecting parts. It can increase the contact area of the connected parts, reduce the pressure within a certain area, and ensure that the connecting parts will not be damaged; There is also an elastic washer, which can also prevent the nut from loosening.
2. There is also a fastener called a "pin"
This kind of fastener is generally used to locate parts. Sometimes, it can also be used for connection and fixation. In addition, another part can be used to transmit power or lock other fasteners.
3. Assembly and connection pair
Assembly this kind of fastener is used for assembly supply. For example, a machine screw and a flat washer can be used together; The fastener of connection pair is a special bolt, nut and washer, for example, the hexagon bolt connection pair with high strength is used for steel structure.
5. Welding nail
There is also a fastener called welding nail, which is composed of nail rod and nail head. It is fixed on another part by welding to connect them together.