10-16X3/4 Slotted Indented Hex Washer Self Tapping Screw Type A B Fully Threaded Black Oxide (Pack Qty 6,000) BC-1012ABSWB

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 5/16-18X1 1/4 Weld Screw With Nibs Under The Head Fully Threaded Plain (Pack Qty 1,000) BC-3120WB.