Self-drilling screws feature a drill-point tip that cuts through metal without a pilot hole, combining drilling and fastening in a single step.

Diameter: #8
Length: 2-1/2"
Material: Steel
Finish: Zinc
Head Style: Flat (Phillips)
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.