Hillman 10-16 x 3/4 In. Hex Washer Head Self Drilling Screw with Washer 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, making your projects quicker and easier. I for sheet metal applications, the hex washer head provides a secure grip and distributes the load evenly to prevent damage to the material. Model Number: 10-16 x 3/4 In. Hex Washer Head Self Drilling Screw with Washer