A Comprehensive Guide to Electronic Screw Technology

Chinese

Overview of Electronic Screws
Electronic screws are indispensable fastening components in the assembly of electronic devices. They are mainly used to fix electronic components, circuit boards, casings and other parts, ensuring the structural stability and the reliability of the electrical performance of electronic devices. Electronic screws usually feature small size, high precision, and special materials.
Classification by Head Shape

Flat Head Screws: The head is flat, which is suitable for occasions where a flat surface is required.
Phillips Head Screws: The most common type. The head has a cross-shaped groove, making it convenient to operate with a Phillips screwdriver. They are widely used in the assembly of various electronic devices.
Hexagon Head Screws: The head is hexagonal, which is convenient for tightening with a wrench or a hexagon wrench.
Round Head Screws: The head is round and has a smooth surface. They are often used for fixing the casings of electronic devices with high requirements for appearance.
Countersunk Head Screws: The head is conical and can be completely embedded in the material, which is suitable for occasions where the screw head needs to be hidden.

2.2 Classification by Thread Type

Self-tapping Screws: They have the self-tapping function and can directly form threads in the material. They are suitable for soft materials such as plastics and wood.
Machine Screws: Pre-drilling and tapping are required. They are suitable for materials such as metals and hard plastics.

The Selection and Application of Electronic Screws

Selection according to the usage environment: If the electronic device needs to be used in a humid or corrosive environment, stainless steel screws or screws with special anti-corrosion treatment should be selected. If there are requirements for weight, aluminum alloy or plastic screws can be chosen.
Selection according to the material of the connected parts: For plastic casings, self-tapping screws should be selected. For metal materials, metric or imperial threaded screws can be selected according to specific situations.
Selection according to the installation space: If the installation space is limited, screws with a smaller head, such as countersunk head screws or socket head cap screws, should be selected. If there are requirements for installation speed, Phillips head screws can be chosen.
Selection according to the electrical performance requirements: For occasions where good electrical conductivity is required, such as grounding screws, copper screws should be selected. For occasions where insulation is required, plastic screws should be selected.