4-24X1/4 Square Recess Pan Self Tapping Screw Type A B Fully Threaded Zinc (Pack Qty 10,000) BC-0404ABQP

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 M3-0.5X5 Metric Socket Head Cap Screw Class 12.9 ISO 4762 Black Oxide (Pack Qty 100) BC-M3005CSP.