General description Connect Hex Head Self Drilling Screws are designed for efficient fastening in various applications. These screws feature a washer-faced design and are zinc plated for enhanced corrosion resistance. Ideal for use in metal and wood, they provide a secure hold without the need for pre-drilling. Technical specifications Type: Self-Drilling Screws Head: Hex Washer-Faced: Yes Material: Zinc Plated Size: No.10 x 3/4'' (4.8mm x 19mm) Quantity: 100 pieces