Introducing our premium quality Black Phosphate Drywall screws, the ideal fastening solution for your construction needs. Designed and manufactured in our factory with the highest standards of quality, precision, and durability, these screws are made from high-quality materials that ensure extraordinary performance. The black phosphate coating provides additional protection against rust and corrosion, making them perfect for outdoor use or damp environments. These screws have sharp threads that penetrate the drywall with ease, ensuring a tight and secure fit with minimal effort. With 400 pieces per box, these screws are a cost-effective solution for all your drywall fastening needs. Trust our factory to provide you with the best quality products on the market.