1/4-14X1 3/4 Phillips Flat Self Tapping Screw Type A B Fully Threaded Black Oxide (Pack Qty 1,500) BC-1428ABPFB

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 1/8X1/2 Spring Pin Slotted Mechanical Zinc (Pack Qty 3,000) BC-12508PSZ.