Hillman 0 X 1-1/2 in. Black Roofing Screws, 250 ct are designed for efficient and secure fastening of metal to wood in roofing and metal building projects. These self-drilling screws feature a Micro-Bit point that acts like a drill bit, allowing them to easily penetrate single or multiple layers of high-strength steel panels with less pressure. The hex screw heads are coated with an exterior-grade powder finish and come with neoprene washers for added durability and weather resistance. This pack includes approximately 250 screws, making it a convenient choice for your construction needs. Model Number: 117465