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Bolt refers to the larger diameter of the screw, can also be headless, such as stud bolts. The most common form of stud bolts is threaded at both ends and a screw in the middle. The middle screw is thick and thin. The fixed link function used to connect machinery is generally used in mining machinery, bridges, automobiles, motorcycles, boiler steel structures, pendants, large-span steel structures and large buildings.

The most typical use: anchor bolts, or similar anchor bolts, thicker connections, when ordinary bolts cannot be used.

Main purpose:

1. The main body is used for large-scale equipment and needs to be installed with accessories, such as mirrors, mechanical seals, reducer frames, etc.At this time, stud bolts are used, one end is screwed into the main body, and the other end is equipped with nuts after the accessories are installed. Since the accessories are often disassembled, the threads will be worn or damaged, and it is very convenient to replace them with studs.

2. When the thickness of the connecting body is large and the length of the bolt is long, stud bolts will be used.

3. It is used to connect thick plates and hexagon socket bolts where it is inconvenient to connect, such as concrete roof trusses, roof beams, monorail beam suspensions, etc.