1/4-14X1 1/4 Slotted Indented Hex Washer Self Tapping Screw Type AB Fully Threaded Zinc (Pack Qty 1,500) BC-1420ABSW

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 5/8-11X6 1/2 Hex Cap Screw Grade 2 Zinc (Pack Qty 60) BC-62104CH2.