General description Self Drilling Screws 5.5 x 50mm with a hex head are designed for easy and efficient installation. These screws are zinc plated, providing enhanced corrosion resistance and durability. Each pack contains 100 screws, making it a convenient choice for various DIY and home improvement projects. Technical specifications Size: 5.5 x 50 mm Head type: Hex head Material: Zinc plated Pack quantity: 100 screws