General description Connect Hex Head Self Drilling Screws are designed for efficient and secure 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 reliable solution for your DIY and home improvement projects. Technical specifications Type: Self-Drilling Screws Head: Hex Washer-Faced: Yes Material: Zinc Plated Standard: DIN7504K Size: No.12 x 1 1/2" (5.5mm x 38mm) Quantity: 100 pieces