Hillman 41892 Washer Head Self-Drilling Screw #12 x 1-1/2 inch 20-Pack

$29.33

The Hillman Washer Head Self-Drilling Screw is used in wood, fiberglass and metal, and it possesses a drill point enabling it to drill its own hole in thin gauge steel. The sharp threads on these self-drilling screws create their own mating thread when drilled into the material. Perfect for roofing construction, these self-drilling metal screws have a neoprene washer that provides a water-tight seal, and prevents corrosion between surfaces.

These drill into the roof to remove material
Have a neoprene washer that provides a water tight seal
Have a ceramic finish that is corrosion-resistant
Recommended for use for treated woods
12 x 1-1/2 in. self-drilling screws
Self drilling screws designed for power driving wood or metal to metal
Drill point drills its own hole, taps mating threads and fastens firmly in one operation
Zinc finish for moderate corrosion protection
No need to pre-drill a hole
20 self-drilling metal screws per pack