Hexagon socket head specifications
Hexagon socket screws are the most frequently used type of screws. The main function of the external thread is to cooperate with the nut. With this thread connection method, the two parts are integrated.
Class C hexagonal screws are mainly used on steel structure machinery and equipment where the surface is rough and the precision is not high. The hex bolts of Class A and Class B are mainly used on machines and equipment with a smooth surface and high precision.
Standard for hexagon socket screws
There is a standard for the hexagonal screw standard, which is divided into 4.8 and 8.8. These two levels are particularly used in the market. Especially the 4.8 grade hex bolt. Because he is much cheaper than the 8.8 hex screw. Of course, it will be more extensive. But for products with high requirements. Due to the high requirements of various aspects such as hardness. This requires the use of 8.8 grade hex screws. The 8.8-class hex socket screw is harder in terms of hardness and screw torque. It is safer to use on the product. More tight and more stable.