TIMco\'s baypole screws have a wafer flange head with a twin thread and self-drilling tip. Product specificationDescriptionBaypole Screw PH2 - BZPSKU289ZPack TypeBoxGauge (Metric)4.8Recess TypePhillipsHead TypeWafer FlangeLength (mm)40Size (Metric)4.8 x 40Colour/PlatingZincPack Qty (Pcs)200Thread TypeSelf-Tapping V FluteTip DesignSelf-DrillSize4.8 x 40