I am trying to install a TV wall bracket. I have (presumably) a concrete wall with what seems to be about 1 cm of drywall in front of it. I can only drill about 1 cm into the wall, after which the drill bit just wont cut...just spins around gaining no ground and getting hot. I've tried a specialist masonry bit and HSS drill bits to no avail. What could be behind there that I can't drill into? Am I doing something wrong?
Get a stud finder. They're inexpensive. Then use the special screws with plastic expanders for the holes (drill holes into the studs first) If you're drilling in plaster, drywall or electrical wire, you obviously won't be able to get anything to hold.
~m~
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