#10 x 2-1/2″ Galvanized Steel Hex Washer Head Pole Barn Self-Drilling Screws
Diameter: #10 Length: 2-1/2″ Material: Steel Finish: Galvanized Head Style: Hex Washer (Hex) Point Type: Type 17 Thread Length: Full Style: With Bonded Washer Type: Self-Drilling Screw Application: Pole Barn|Treated Lumber 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.