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 head)
Increased bearing area reduces likelihood of crushing mating surfaces.
Zinc plated steel.
Screw diameter 5/16
Screw length 1-1/2 inches
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