1/4″-20 x 3″ Zinc Plated Steel Coarse Thread Star Drive Self-Drilling Screws

Description

Diameter: 1/4″
Length: 3″
Material: Steel
Finish: Zinc
Point Type: Drill
Driver Type: T-30 Star Bit
Thread Size: 20 (Coarse)
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.