Can self-tapping screws hit concrete walls?
Oct 24,2022 /
BY DEVELOPERS
Self-tapping screws cannot penetrate into the concrete wall, and even if they go in, they are loose, and steel nails are only possible. Generally, use an electric hammer to drill holes, then drive in expansion rubber plugs, and then use self-tapping screws. How to get out the screws on the cement wall.
1. If it is a screw, it can be screwed out with a screwdriver.
A screwdriver is a tool used to turn a screw to force it into place, usually with a thin wedge-shaped head that fits into a slot or notch in the head of the screw -- also known as a "driver". There are mainly one word (minus sign) and cross (positive sign). There are also common hexagon screwdrivers, including inner hexagon and outer hexagon.
2. A screw is a threaded part on a small cylindrical or conical metal rod with a sharp end like a nail, with a grooved or dimpled head, used alone.
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