6-20X1 1/4 Phillips Pan Self Tapping Screw Type A B Fully Threaded Black Zinc (Pack Qty 7,000) BC-0620ABPPBZ

For self starting in thin (.015-.050 thick) metal or resin-filled plywood. Recommended over a Type-A, particularly in brittle materialsYou may also like 4-24X1/2 #3HD Phillips Pan High Low Screw Fully Threaded Black Oxide (Pack Qty 10,000) BC-0408HPPB.