General description Self-drilling drywall screws designed for easy fixing of plasterboard to wall and ceiling track systems. These screws feature a self-drilling point that simplifies installation, especially for materials with a maximum thickness of 2.0mm. Technical specifications Type: Collated Drywall Screws Head: Bugle Head Size: 3.5 x 45 mm Max thickness for use: 2.0 mm Compatibility and accessories Compatible with all leading power tool brands.