12-24X4 Phillips Flat Self Drill Screw #4 Point with Wings Full Thread Zinc (Pack Qty 500) BC-1264KPFMS4W

Type BSD: May be used to attach plywood, soft woods or composition board to metal, or attach metal to metal. Type CSD: The finer thread pitch reduces friction and driving torques. Type-CSD screws are normally used with thicker materials. The wafer head design allows the screw to set flush in wood and softer materials and provides a clean, finished appearance All self-drilling screws offer economical benefits: reduces labor and tooling costs; reduces or eliminates drill bits and tapsYou may also like 6-20X5/8 Phillips Pan Self Tapping Screw Type B Fully Threaded 18-8 Stainless Steel (Pack Qty 5,000) BC-0610BPP188.