Carbon steel zinc-plated double dowel screw /Stud Bolt

A stud is a thread-shaped mechanical part, usually consisting of a cylindrical body and a thread-shaped threaded portion. They are often used to join two objects or to fix one object to another surface. Studs are generally made of metals such as steel or aluminum, although there are also some options made of plastic or other stainless materials. There are also many types of studs, such as hexagonal studs, round studs, flat head studs, etc., and different types of studs can be selected according to needs.

The material size of the stud will affect its load capacity and service life. Here are some common specifications for stud material sizes and their uses:

 1. Diameter: A dimension used to describe the diameter of a stud. The larger the diameter of the stud, the stronger its load-bearing capacity. 

2. Length: A dimension used to describe the length of a stud. The length of the stud should be selected according to the needs, too long or too short is not conducive to use. 

3. Pitch: This is the dimension used to describe the pitch of the threads. If the thread pitch is too large, the stud torque will be less, but the installation process will be slower. If the thread pitch is smaller, the stud torque will be higher, but the installation process will be faster.

 4. Material: The most common materials for studs are steel and Stainless Steel. Steel studs have high strength but are prone to rust. Stainless steel studs have high corrosion resistance, but relatively low strength. 

5. Thread type: The thread type of the stud can be M (metric system) or UNC/UNF (American system), etc. Different thread types are suitable for different applications and installation conditions. 

In short, the correct selection and use of studs with appropriate material sizes can ensure the safety of mechanical equipment and prolong the service life.

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