NOT KNOWN DETAILS ABOUT KINDS OF SCREW HEADS

A elevated screw head is typically puzzled with other screw heads as it is similar to a flat screw but has more of the dome shape. When working with this type of screw, you might need to take the angle from the head into account and countersink the screw.Typically may be identified by their blue hue. They’re screwed into pilot holes in the masonr