Quote:
Originally Posted by DerbyDad03
One key tip: Tapcons are essentially a one shot deal. If you spin them in
too fast you can strip the hole. Once you do that, you can't use that hole
again unless you fill it with epoxy or something. You also usually can't
loosen the fastener and tighten it again. Concrete isn't as forgiving as
wood in that regard. It's basically "a screw them down tight and leave them
alone" operation.
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No, you can take the Tapcon out, and put 2 or 3 tooth picks in the hole and drive the Tapcon back in. The toothpicks will act just like a plastic or lead anchor, pressing against and gripping the rough sides of the hole with soft wood that the Tapcon screw threads will also grip well. Clear any dust out of the hole with a pipe cleaner first, cut the toothpicks to length, and insert them pointy side up so that the screw point automatically finds it's way in between the inserted toothpicks for a uniform grip all around the screw.