Phillips Pancake Head Self Piercing Screw Full Thread Zinc

An externally threaded fastener with a low-profile, disk-shaped head, a single lead thread rolled to the tip of an extra sharp point, and a second thread spaced 180° apart. 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 accomodate a Phillips screwdriver