A thread forming tapping screw with spaced threads and a gimlet point.
For self starting in thin metal or resin-filled plywood.
Has an indented top surface, six flat sides with a flat washer which projects beyond the sides and provides a flat bearing surface.
The washer and head are formed together as one piece. (Hex washer slotted head)
Increased bearing area reduces likelihood of crushing mating surfaces.
Zinc plated steel.
Screw diameter 5/16
Screw length 3/4 inch
A thread forming tapping screw with spaced threads and a gimlet point. For self starting in thin metal or resin-filled plywood. Has an indented top surfac