Generally refers to the thread is self-tapping type, so that the self-tapping effect does not need to be used with a nut. There are many classifications of screw heads, including external hexagon head, pan head, countersunk head, and internal hexagon head. Umbrella head, head cushion, etc. The tail is generally pointed. Make self-tapping effect. Self-tapping screws are also called self-tapping screws. The name is different, but the meaning is the same. They all make self-attack. The main function of self-tapping screws is that they do not need to be used with nuts, which saves a lot of money in terms of cost. There is no need to pay for the cost of the nut. There are many commonly used self-tapping screws, such as cross recessed pan head self-tapping screws, countersunk self-tapping screws, self-tapping screws with pads, self-tapping screws with umbrella heads, self-tapping screws with cut tails, and a post written last time. The triangular teeth are self-locking screws. Triangular self-locking screws are widely used in the market. Customers also use a lot. Interested friends can look at the definition of self-locking screws, the definition and basic knowledge of triangular teeth self-locking screws. It is convenient for everyone to understand and learn.
