The application range of precision small screws has become more and more common in recent years, and it can be used by many manufacturers of electronic products. Many customers have asked our customer service Qiqi before, what size can be called a precision small screw?

The specification range of precision small screws refers to screws whose thread outer diameter is less than or equal to 3mm. Because of their small size and high manufacturing requirements, they are called precision small screws. There are three types of head types within the scope of the national standard, namely round head cross groove, countersunk cross groove, and half countersunk head cross groove. However, there are some other head types in actual production and application, such as slot, hexagon socket, and hexagon socket. These three geometries are also used in many applications. In addition, there are some other unusual groove types, such as Y-shaped, triangular groove, square groove and so on.

In some high-end electronic products, the requirements for precision small screws are higher, not only for beautiful appearance, but also for screw material, hardness, and size. Like some clothing equipment, electrical appliances, laptop computers, mobile phones, robots, drones, etc., it is indispensable. The quality of precision small screws will also affect the quality, performance and service life of the product in the use scene.