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Date: 2016aug1 Q. What's the best concrete screw to use? A. Tapcon is the best. This is an amazing product. You drill a guide hold with the included drill bit in to the brick. Then simply drill in the screw and it hold for years. I have only tried with brick. I have tried CobraTap but they don't hold. The drill bit that comes with CobraTap is ok.
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