Combination screw technique

Buy furniture must be for the three one connector is not strange, especially the vertical connection between the board and the board type furniture, some special connections can achieve two board level connectivity, and interactive board connection, generally used in high density board, MDF, particleboard. Here, a brief introduction of the "three in one" of the use of parts, to facilitate novice.

Figure, white plastic embedded parts, is called black screws, round iron pieces called eccentric, three must be used in combination