4-24X3/16 Phillips Flat Undercut Self Tapping Screw Type A B Fully Threaded Black Oxide (Pack Qty 10,000) BC-0403ABPUB

Phillips Flat Undercut Self Tapping Screw Type A B Fully Threaded Black Oxide

For self starting in thin (.015-.050 thick) metal or resin-filled plywood. Recommended over a Type-A, particularly in brittle materials