Originally designed for fixing plasterboard to thin steel or timber studs, the curved underside of the head eliminates tearing of the paper lining on the board during installation. Featuring a sharp Needle point for fast drilling and a Twinfast thread for rapid installation these screws are now extremely popular as a general purpose, economical fixing for a multitude of applications. Popular sizes are also available in Collated plastic strips, refer to Collated screws section.