8-18X1/2 Square Flat Self Tapping Screw Type A B Fully Threaded Zinc (Pack Qty 10,000) BC-0808ABQF

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 6-19X3/8 Phillips Pan Thread Rolling Screws 48-2 Fully Threaded 18-8 SS Passivated And Wax (Pack Qty 5,000) BC-0606LPP188.