Grip-Rite's #6 x 1-1/8 in. Phillips Bugle Head Coarse-Thread Sharp-Point Black Phosphate Drywall Screws feature a black phosphate coating that improves corrosion resistance and enhances compatibility with joint compounds. Built for high-volume applications, these drywall screws deliver reliable driving performance, consistent thread engagement, and dependable fastening strength, making them well suited for professional installers and production environments.