1/4" x 3-1/2" Gray XL1500 Coated Steel Star Drive Flat Head Saberdrive Self-Drilling Screws with Wings

Diameter: 1/4"
Length: 3-1/2"
Material: Steel
Finish: Gray Ruspert
Head Style: Flat (T-30 Star Bit)
Point Type: Drill point w/ wings
Drill Size: 7/64" Hole
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.