Threaded rods are also called studs which are long rods that are threaded on both ends. They are designed to be used in tension. These rods are used in a variety of applications, many of which are related to manufacturing. Combustion gas engines often use threaded rods to secure the cylinder head to the engine block. Due to their dual-threading design, they are able to withstand both tension and vibrations.
Aside from manufacturing, a major use of threaded rod is in the construction industry. Threaded rods are often used when constructing buildings and bridges. They are a type of heavy-duty fasteners that is characterized by the presence of threading on both ends.
An important thing to remember when shopping for threaded rods is the equivalence of their color codes. Color codes for threaded rods are defined by the International Organization for Standardization (ISO). White threaded rods are the strongest. The second strongest color code is red, which is made of A4 stainless steel. Green threaded rods are the third strongest which are made of A2 stainless steel. The fourth and fifth strongest are yellow and unmarked, respectively.
Threaded rods may be confused with bolts as they both feature a similar design. However, bolts only have threading on one end while threaded rods have threading on both ends.