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: #14
Length: 2-3/4"
Material: Steel
Finish: Zinc
Head Style: Flat (# 3 Phillips Bit)
Point Type: Drill point w/ wings
Thread Size: 14
Thread Length: Full
Style: With Wings
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.