KB Black Screw Cross Flat Head Screw Countersunk Self Tapping Flat Tail Self Tapping Screw Fittings M1/M2/M3/M4

Core advantage

1. Flat tail does not drill through: the tail is flat, and the ABS and PC plastic will not crack and penetrate the plastic shell to protect the internal components.
2. Countersunk and buried: the head is completely sunk into the surface of the workpiece, the surface is flat and not convex, and the appearance is neat.
3. Hardening quenching: high hardness, strong self-tapping ability, direct tapping on plastic and thin iron plate, labor-saving pre-hole assembly and difficult sliding tooth fracture.
4. Black appearance: the interior of the whole machine is not reflective, which is adapted to the black shell, and the vision is unified after assembly.
5. Black appearance: the interior of the whole machine is not reflective, which is suitable for the black shell and has a unified vision after assembly.

Application scenario

1. Consumer electronics (most commonly used)
   The shell of router, set-top box and charger is fixed
   Display, keyboard and mouse, plastic shell assembly of small household appliances
   The PCB board, plastic bracket and plastic shell are fastened internally to prevent the plastic shell from being penetrated.
2. Computer digital
   Assembly of chassis fan, power supply shell, notebook plastic parts and plastic baffle of graphics card.
3. Toys, security and lamps
   Plastic shell, monitoring camera, LED lamp internal components and toy structure are fastened.