Square Phillips Drive Pancake Head Self Drilling Screw Full Thread Zinc
An externally threaded fastener with a low-profile, disk-shaped head, spaced thread, and a drill point. The head is identically smooth on both the top and the bottom, bearing surface with a rounded edge. The top of the shank has a small section with an 80° countersink before it meets the bearing surface of the head. The recess is punched to accommodate a Phillips screwdriver
