General description Self-drilling screws designed for fixing plasterboard to wall and ceiling track systems with a maximum thickness of 4mm. These screws feature a bugle head that minimizes the risk of damaging the board surface and a No.2 drill point that ensures excellent drilling performance into thicker gauge steel. Technical specifications Size: 4.8 x 100 mm Driver Bit Size: PH2 Finish: Zinc Material: Carbon Steel Corrosion Rating: 1 (suitable for clean, dry, and low humidity environments) Thread Ø: 4.8 mm Thread Length: 60 mm MDT: 4 mm Recess Type: Phillips Pack Quantity: 500 Point Type: Self-Drilling Thread Type: Self-Tapping Standard: BS EN 14566:2008 Note: Partially threaded Other information Included Items: 1x PH2 S2 Bit