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 and durable hold. Technical specifications Type: Self-Drilling Screws Head Type: Hex Head Washer-Faced: Yes Material: Zinc Plated Size: No.12 x 1" (5.5mm x 25mm) Quantity: 100 pieces