Self-drilling and self-tapping
Large diameter, low profile wafer-type head
Interior or exterior uses
No ribs under head, preventing reinforcing mesh damage

PermaBase® Screws are corrosion resistant screws specifically designed to be used with PermaBase Cement Boards. The are used to attach PermaBase Cement Board to wood or steel studs, plywood subfloors, ceilings and countertops.
Self-drilling and self-tapping
Large diameter, low profile wafer-type head
Interior or exterior uses
No ribs under head, preventing reinforcing mesh damage