Screws have different types, each of which has specific uses. We will examine some of them in this article. We fell when we were making and fixing a device in our father's toolbox with our father and we were trying all kinds of screws and nuts. In the minds of all of us, finding bolts and nuts was equal to finding a needle in a haystack, and we tried to fix the device with the very first bolt.
Not knowing the types of bolts is one of the It is the most important problem that we face when looking for a bolt. Always to find a suitable screw, we take out several different types to finally find one that fits the nut; But if we know the types of bolts and nuts well from the beginning, we will no longer have these problems, which will increase the speed of our work.
Types of bolts and nuts
1. The screw and bolt
It is the most familiar bolt and nut among all people. Many people do not know the name of these types of screws; But these types of screws are used in many tools and parts packaging, especially for cars. The most characteristic feature of these types of screws is their heads, which are polygonal and have large diameters. Their diameters are 0.35 and 0.5 inches and hence they have more power than others. Also, they are made of stainless steel and a French wrench is used to open and close the barrel screws.
2. Wedge bolts and nuts
Wedge screws are also considered double-headed. The structure of these screws has a nut and a glazed body, which are connected to each other by a clip. The diameter of these types of screws is like a barrel in the form of 0.35 and 0.5 inches; But the strength and strength of this type is less than that of a coil. The holding strength is important, this type of screw is used. The most important application of this type of screws is in rocks or stones, so that even if the nut is bigger than the screw, adhesives can be used to cover the space, which will increase their strength. .
4. Compressible screws
The head and bottom of these screws are similar to buttons, and therefore they are called button head screws. also called By inserting a hammer into the heads of the screws, they stick to the walls of the hole and establish an extremely strong connection.