#12-14 x 3/4" Zinc Hex Bonded Washer Head Self-Drilling Screws (100 pcs)Type: Self Drilling Screws
Head Style: Hex Bonded Washer (5/16" Socket)
Point Type: Drill
Thread Size: 14
Thread Length: Full
Style: With Bonded Sealing Washer
Box of 100.
A self-drilling screw, or tek screw, is similar to a sheet metal screw, but it has a drill-shaped point to cut through the substrate to eliminate the need for drilling a pilot hole. Ideal for any project involving light gauge sheet metal, awnings, door and window frames, gutters, sheds.