A bugle head screw with twin lead spaced thread, self drilling point, and black phosphate finish.
Specifications
Details
Electrical Category:
Fittings and Hardware
Electrical Subcategory:
Screws
Application:
Will drive easily through drywall, drill a hole in a steel stud up to 14 gage thick, and form its own mating thread. Can also be used for attaching plywood or insulation board to 14 gage metal.