4-24X1/4 Phillips Flat Undercut Self Tapping Screw Type A B Fully Threaded Black Zinc And (Pack Qty 10,000) BC-0404ABPUBZ

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

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