8-18X3 Square Flat Self Tapping Screw Type A B Fully Threaded Zinc (Pack Qty 1,250) BC-0848ABQF

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 10-16X1 Phillips Pancake Head Self Drilling Screw Full Thread Zinc (Pack Qty 5,000) BC-1016KPC.