6-20X1 1/4 Phillips Flat Self Tapping Screw Type A B Fully Threaded Black Zinc (Pack Qty 8,000) BC-0620ABPFBZ

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 8-32X1 1/2 Phillips Flat Thread Cutting Screw Type 23 Fully Threaded Zinc (Pack Qty 4,000) BC-08243PF.