XL-HWH SELF DR ZN 1/4-14X3

Diameter: #14 Length: 3 Material: Steel Finish: Zinc Head Style: Hex Washer (3/8 Socket) Point Type: Drill Thread Size: 14 Thread Length: Full Type: Self-Drilling Screw 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.