The 5.5 x 50 Fine Hex Tek Roofing Self-Drill Screw BZP is engineered for precision and durability in roofing applications. Featuring a fine thread and hex head, it ensures secure fastening with minimal effort. The self-drilling design eliminates the need for pre-drilling, enhancing efficiency. Its BZP coating offers robust resistance to corrosion, making it ideal for outdoor use. Perfect for professionals seeking reliable performance in construction and roofing projects.