Introduction to stub
The most common form of double-headed stud is threaded at both ends and polished rod in the middle. Studs are used to connect mechanical fixed link function. The studs have thread at each end and thread in the middle, either thick or thin. Generally used in mining machinery, Bridges, boiler steel structures, pylons, long span steel structures and large buildings.
Main use of stud
- The main body is a large equipment, which needs to be installed with accessories, such as visual mirror, mechanical seal seat, reduction rack, etc. At this time, use the stud, one end screwed into the main body, after the installation of the attachment with the other end of the nut, because the attachment is often removed, thread will wear or damage, use the stud replacement will be very convenient.
- Double-head bolts will be used when the connecting body is of great thickness and the bolt length is very long.
- It is used to connect thick plates and places where it is inconvenient to use hexagon bolts, such as concrete roof truss, suspension of monorail beam on roof beam, etc.
Studs generally need to go through the surface treatment, there are many types of bolt surface treatment, commonly used electroplating, blackening, oxidation, phosphating, non-electrolytic zinc coating treatment. However, electroplated fasteners account for a large proportion in the actual use of fasteners.
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