This 5.5 x 35 Pan Torx Self Driller features a durable stainless steel A2 construction, offering excellent corrosion resistance. The self-drilling tip allows for easy and fast penetration into metal, eliminating the need for pre-drilling. The Pan head design provides a sleek, low-profile finish, while the Torx drive ensures a secure fit for precision installation. Equipped with an EPDM washer, it ensures a watertight seal, making it ideal for roofing, cladding, and outdoor applications that require both a strong connection and protection against the elements.