Product Parameters
The external hexagonal self tapping screw is a special screw with a drill bit, which can achieve the functions of drilling, tapping, fixing, and locking in one go through the construction of specialized electric tools. This type of screw is mainly used to connect and fix some thinner plates, such as the connection between color steel plates, the connection between color steel plates and purlins, wall beams, etc.
External hexagonal self tapping screws can be divided into two types based on their materials: carbon steel and stainless steel. The commonly used type is the external hexagonal three combination screw. In addition, there are also hexagonal self tapping screws with padded flower teeth, suitable for various occasions such as electronic toys, household appliances, medical equipment, precision instruments, wooden furniture, and electronic products.
According to different performance levels and specifications, external hexagon self tapping screws can be divided into various types, such as 4.8 level national standard external hexagon, 8.8 level national standard external hexagon, 10.9 level national standard external hexagon, and 12.9 level national standard external hexagon. These screws of different grades need to be tightened and connected with corresponding nuts during use.
In addition, the external hexagonal self tapping screw also has various special designs, such as a design with a sealing ring and a large rounded corner, which can prevent dirt accumulation and is suitable for the food grade hygiene field. In addition, there are titanium alloy hex screws suitable for high-strength and strong acid-base applications.
In summary, external hexagonal self tapping screws have been widely used in various industries due to their unique structure and wide range of applications, and their diverse specifications and material choices also meet the needs of different application scenarios.
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