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Drywall Screws have deeper thread than regular screws which prevents them from dislodging easily from the drywall. The sharp end of Drywall Screws is designed to make a hole in 1mm metal and ensure immediate and wobble-free penetration of the board. A Standard Drywall Screws can be recognized by their black color, this finish comes from a phosphate coating that is applied to these screws.
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