8-18X1 Square Flat Self Tapping Screw Type A B Fully Threaded Zinc (Pack Qty 7,000) BC-0816ABQF

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 4-40X7/8 Phillips Round Machine Screw Fully Threaded Zinc (Pack Qty 10,000) BC-0414MPR.