4 pieces Stainless Steel Hex Washer Head Self-Drilling Screws

4 pieces Stainless Steel Hex Washer Head Self-Drilling Screws Size: #10-16 x 1-1/2" Diameter: #10 Length: 1-1/2" Material: Stainless Steel Head Style: Hex Washer (Hex) Point Type: Drill Thread Size: 16 Thread Length: Full Hardness: 410 Type: Self-Drilling Screw Diameter 3: 13/32" 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.