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Question:

What is the size of the screw for the wall power switch installation

What is the size of the screw for the wall power switch installation

Answer:

General use M4 * 25--35 screws, the best installation of the first screw to the oil try to screw about, so easy to install.
Concealed switch generally M5 × 30 semi-round head screws, you can also use M4 × 30 tapping screws. Ming installed switch is used M5 expansion with M5's self-tapping screws.
Concealed switch generally M5 × 30 semi-round head screws, you can also use M4 × 30 tapping screws. Ming installed switch is used M5 expansion with M5's self-tapping screws.

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