Black PA cross screw round head self tapping screw pan head self tapping electronic small self tapping screw M4/M5/M6

The core advantages of black round head cross self tapping screws are "safe and scratch resistant, efficient self tapping, and concealed adaptation"

1. Round head design, safe and scratch free: The head is a semi-circular spherical surface with smooth edges and no sharp edges, which will not scratch clothing, skin or adjacent parts. It is especially suitable for daily contact scenarios (such as furniture and home accessories), and the safety is much higher than the angular design of countersunk and flat head screws.
2. Self tapping thread, efficient installation without drilling: Comes with sharp cutting threads, no need for pre drilling and tapping, can directly drill into substrates such as wood, plastic, and thin metal (≤ 1.2mm), can be operated with a manual screwdriver or electric screwdriver, greatly saving assembly time, suitable for mass production or DIY scenarios.
3. Black surface, strong concealment+basic protection: The surface is often treated with oxidation blackening, which can adapt to dark colored workpieces (such as black plastic, dark wood, dark metal), reduce the abruptness of screw exposure, and have good visual concealment; On the other hand, it can form a basic passivation film, which is more resistant to slight moisture than ordinary uncoated carbon steel screws, reducing the probability of rusting and extending the service life.