Self Drilling Screws Hex Head with EPDM Washer Zinc Plated #14x1 (6.0x25mm), made in Taiwan, are high-quality fasteners designed for quick and secure installation without pre-drilling. Manufactured from durable steel with a zinc-plated finish, they provide excellent corrosion resistance and long-lasting performance. The hex head ensures easy driving with strong grip and better torque control, while the EPDM washer offers a reliable watertight seal, making them ideal for roofing, cladding, and outdoor applications. Supplied in a pack of 450 pieces, these screws are suitable for professional and industrial use where strength, durability, and effective sealing are essential.