Operation method:1. How much the thickness of the board is, adjust the corresponding number of slanting holes (for example, 18MM plate, the arrow of the slanting hole is adjusted to 18 and then the red screw is locked)2. The drill bit is inserted into the steel sleeve, and after lifting the bottom of the adjustment block, it is lifted by about 3 mm, and then the limit ring is locked.3. The electric drill must confirm the forward rotation. It cannot be rotated in the opposite direction. The drill is recommended to be adjusted to 1500 rpm or higher. Do not drill at low speed. When drilling, the drill needs to exit several times to facilitate the removal of wood chips.4. Different thickness plates, different screw length specifications. Before locking the screws, the two planks must be pre-fixed. It is recommended to use the pliers/F-clamp/slant hole-specific pull clamps.5. Install the plastic plug, the color of the plug is better than the board.
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