tunnel bolt is a commonly used accessory on the railway, but we should know that tunnel bolt is only a kind of bolt, in fact, there are many types and models of bolts, so what are the functions of these bolts and what aspects can be applied to it? Please follow us down!
Bolt: Mechanical part, cylindrical threaded fastener with nut. A fastener consisting of a head and a screw (a cylinder with external threads) in two parts, to be fitted with a nut, for fastening two parts with a through hole. This type of connection is called bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so the bolt connection is a detachable connection.
Classification: According to the force mode of connection: divided into ordinary and hinged holes. According to the shape of the head: hexagonal head, round head, square head, countersunk head and so on. Among them, the hexagonal head is the most commonly used. Generally, the countersunk head is used where the connection is required.
Application: There are many names for bolts, and everyone's name may be different, some people are called screws, some people are called bolts, and some people are called fasteners. Although there are so many names, but the meaning is the same, are bolts. Bolt is a general term for fasteners. The bolt is a tool to tighten the parts step by step using the physical and mathematical principles of the inclined plane circular rotation and friction force of the object.
In fact, bolts are often used in some industrial manufacturing industries, and the range of applications is very wide, so bolts also have the reputation of industrial meters, and we also know that the application range of tunnel bolt is very wide, whether it is a large industry or a small range of bolts can be seen.
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