Self Drilling Screws Counter Sunk Head (CSK) Zinc Plated #8x2 (4.2x50mm), made in Taiwan, are high-quality fasteners designed for efficient and precise fixing without the need for pre-drilling. Manufactured from durable steel with a protective zinc-plated finish, they offer excellent resistance to corrosion and long-lasting performance in various applications. The countersunk head ensures a flush and smooth finish, making them ideal for metal, sheet metal, and light structural work. Supplied in a pack of 450 pieces, these screws are suitable for both professional and industrial use where strength, reliability, and neat finishing are required.