Bridge Fasteners - 12-24 x 1-5/8" Phillips Flat Self-Drill with Wings (200 Qty.)Description: Designed for fastening wood to metal (12 000 gauge) _ Reamer wings designed to keep wood from splitting and helps countersink the head. _ Bridge Guard coating provides excellent corrosion resistance. _ Flat head for countersunk wood applications where very low profile head is desired. _ Shank slot for optimal threading performance. Part Number Size Drill Point Max Drill _Box Quantity C WHWW1224158 12 24 x 1 5 8 #4 0. 375 200