8-18X3/4 Slotted Indented Hex Washer Self Tapping Screw Type AB Fully Threaded Zinc (Pack Qty 8,000) BC-0812ABSW

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 M3.5-1.57X30 Metric 6 Lobe Flat Head PT Alternative 30 Degree FT A2 Stainless Steel Ejot (Pack Qty 1,500) BC-M3.530PTTFA2.