Hillman 10-16 X 1 In. Hex Washer Head Self Drilling Screw is designed for efficient fastening in thin gauge metal without the need for a pilot hole. These self drilling screws feature a drill point at the end, allowing them to drill and fasten in one step, saving time and effort on your projects. for sheet metal applications, they provide a secure and reliable hold with their hex washer head design, ensuring durability and ease of use. Model Number: 10-16 X 1 In. Hex Washer Head Self Drilling Screw