These screws are ideal for drywall installation, repair and renovation. They are ideal for securing drywall to wood studs or joists, providing firm support and preventing drywall from falling off. They can also be used to repair cracks and holes in drywall, ensuring a strong and long-lasting repairBlacked-out Phillips head drywall screws are easy to use and require little effort, making them suitable for professionals and DIYers alike. They are available in a variety of sizes from 1" to 3.5" to accommodate a variety of drywall thicknesses and installation requirements.Blacked Phillips head drywall screws have features that make them stand out from other fastening options. 1. Quick and easy installation: These screws have sharp points that can easily start drilling into drywall with very little effort. 2. Firm Fixation: The cross-head design provides a firmer fixation, ensuring that the drywall panels stay in place without falling off. 3. Aesthetics: The black coating of the screws makes them visually appealing and minimizes visibility after installation. 4. Long-lasting: The high-quality metal construction of the screw is resistant to corrosion and rust, ensuring long-lasting durability.PL: PLAIN YZ: YELLOW ZINC ZN: ZINC KP: BLACK PHOSPHATED BP: GREY PHOSPHATED BZ: BLACK ZINC BO: BLACK OXIDE DC: DACROTIZED RS: RUSPERT XY: XYLAN Head Styles Head Recess Threads Points