General description Forgefix Drywall Screw Phillips Bugle Head SCT Black Phosphate 4.2 x 75mm are designed for fitting dry linings to studding. These screws feature a black phosphate finish that enhances durability and corrosion resistance. The bugle head design allows for easy sinking into dry lining without the need for countersinking, minimizing surface damage. Technical specifications Size: 4.2 x 75mm MPN: DWS75BP EAN: 5028485019862 Compatibility and accessories Includes a Phillips No.2 insert bit with boxes of 500 and 1,000 screws. Usage Ideal for securing dry linings to studding. Coarse thread design with an extremely sharp point for easy penetration into plasterboard. Other information