12-14X7/8 Phillips Flat Self Tapping Screw Type AB Fully Threaded Zinc (Pack Qty 5,000) BC-1214ABPF

For self starting in thin (.015-.050 thick) metal or resin-filled plywood. Recommended over a Type-A, particularly in brittle materials Screws shall be quenched in liquid and then tempered by reheating to 650°F minimumYou may also like 4X5/16 Round Head Type U Drive Screw Black Oxide (Pack Qty 10,000) BC-0405UB.