Hillman #6 - 20 x 1/2 In. Hex Washer Head Self-Drilling Sheet Metal Screw (100 Ct.)
Hex washer head sheet metal screws. Self-drilling points that drill, tap, and fasten in 1 operation. Good for attaching almost any type of material to metal. Sharp threads create their own mating thread when drilled into the material. Zinc. 100-piece pack.