TIMco\'s baypole screws have a wafer flange head with a twin thread and self-drilling tip. Product specificationDescriptionBaypole Screw PH2 - BZPSKU293ZPack TypeBoxGauge (Metric)4.8Recess TypePhillipsHead TypeWafer FlangeLength (mm)80Size (Metric)4.8 x 80Colour/PlatingZincPack Qty (Pcs)200Thread TypeSelf-Tapping V FluteTip DesignSelf-DrillSize4.8 x 80