4-24X3/8 Phillips Flat Undercut Self Tapping Screw Type A B Fully Threaded Black Oxide (Pack Qty 10,000) BC-0406ABPUB

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 1/4-20X1 1/4 MS51959, NASM51959 Phil Flat Machine Screw Full Thread 300 Series S/S DFAR (Pack Qty 1,000) BC-MS51959-84.