Do you know what the hexagon flange bolt is? I believ […]
Do you know what the hexagon flange bolt is? I believe many people have heard of hexagon flange bolts, but they are not familiar with the types of hexagon flange bolts, so today I will take you through the relevant information to let everyone have an updated understanding of hexagon flange bolts.
Hexagon socket head bolts are divided into cylindrical head hexagon socket head bolts. This is the most commonly used, but it also has many types. According to the material, there are iron, that is, carbon steel and stainless steel. Stainless steel hexagon socket bolts are also made of stainless steel SUS304 and SUS202. Hexagon socket head bolts with semi-circular head, this is also called pan head hexagon socket head bolt. Countersunk hexagon socket head bolts with a flat head and internal hexagon socket. There is also a special national standard called headless hexagon socket head bolts. That is what we often call the machine-meter screw, pay screw, set screw. This is the common name for headless hexagon socket head bolts, but the meaning is the same. Of course, there are some flower-shaped hexagon socket head bolts. This is used infrequently, and it is basically difficult to see in the market.
Although there are many types of internal hexagon bolts, there are basically some special ones. Basically, few people on the market will use them. The most commonly used are the hexagon socket head cap screws, also called the cylinder socket head cap screws.
In fact, the difference is very simple, mainly depends on the shape of the screw, one is the outer hexagon head, and the other is the inner hexagon head. Therefore, one is called an external hexagon bolt and the other is called an internal hexagon bolt. Of course, we can also distinguish from their country codes. The country code is different.