The smart Trick of types of screw heads That No One is Discussing
Screws which can be flat underneath the head don’t will need countersinking. whilst countersunk screws have little or no protruding pieces, non-countersunk screw heads are fully exposed to the area. sq. screw heads Possess a sq.-formed indentation on the very best of the screw, necessitating a sq.-drive screwdriver or little bit. Square screws