#8-18 x 1/2" Zinc Square Pan Head Self-Drilling Screws (75 pcs.)

Diameter: #8
Length: 1/2"
Material: Steel
Finish: Zinc
Head Style: Pan (Square)
Point Type: Drill
Thread Size: 18
Thread Length: Full
Type: Self-Drilling Screw

Box of 75.

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.