Bolt
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DIN 912 refined hexagonal bolt cup head half round head flat head
CharacteristicPRODUCTS
Q235 wire is commonly used for hex screws, and of course, iron screw wire is also used. The wire used for these screws can determine some of the characteristics of hex screws.
The first one is that the hardness of stainless steel screws is relatively high, but if it is made of iron, the hardness is significantly worse, which is related to the wire of the iron itself. The texture of iron itself belongs to a relatively soft category, which cannot be compared to stainless steel wire. However, in order to achieve the required hardness for iron screws, heat treatment is generally used to harden them. During the heat treatment process, it is necessary to ensure that the screws are uniformly heated. Otherwise, not only will the hardness of the screws not meet the requirements, but it will also make them easy to bend, greatly increasing the production cost of hexagonal screws. After heat treatment, it is possible to increase the hardness of iron hexagonal screws, but due to wire issues, it is still not possible to compare the quality with stainless steel wire.
One thing to note for hex screws is to try not to let the screw head slip during use, otherwise it will be difficult to remove the screw in the future.
How to use boltsUSE
1. After the installation of the internal hexagonal bolt, the tightening effect is very good due to the tightening of the thread, and there will be no loosening of the bolt, which can effectively avoid the loosening problem caused by long-term vibration and vibration of mechanical equipment. At the same time, hexagonal bolts can also be used with locking washers, locking agents, and other auxiliary measures to prevent loosening, resulting in higher reliability.
2. Easy to install
During the installation process of the internal hexagonal bolt, only the internal hexagonal wrench is needed for operation, which is simple and convenient, reducing manual operation time and cost. Compared with other bolts, hexagonal bolts are less prone to damage during installation, can be reused, and have a longer service life.
3. Wide applicability
The biggest advantage of hexagonal bolts is that they have a wide range of applications. It can be applied to various industries and fields, including the automotive industry, aerospace, mechanical manufacturing, construction engineering, etc. During the manufacturing, installation, and maintenance processes, hexagonal bolts have also demonstrated excellent performance and reliability.
In summary, as one of the commonly used fasteners in mechanical equipment, internal hexagonal bolts have the advantages of high strength, good anti loosening effect, easy installation, and wide applicability, making them a very reliable fastener.
