#9 x 1-1/2" Galvanized Steel Hex Washer Head Pole Barn Self-Drilling ScrewsType: Galvanized Hex Cap Screws
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
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.