Salco Products (EB15HAP) 1 x 5-Inch Carbon Steel Eyebolt Assembly with Pin and Seal Hole, Heavy Square Nut features a ASTM A307 Grade B carbon steel eyebolt that is 1-inch in diameter and 5-inches in length with a 3/8-inch x 2-1/2-inch carbon steel pin, and a 13/32-inch seal hole. The eyebolt has 1-8 UNC -2A rolled threads with the length of 3-inches. The inner diameter of the eye is 15/16-inches, with the outer diameter being 2-inches. Includes a 1-inch, ASTM A194 Grade 2H carbon steel, heavy square nut with 1-5/8-inches across the flat of the head. A 1-inch, carbon steel, flat washer with a 2-1/2-inch outer diameter. There is a bead of weld at the end of the threads to prevent the heavy square nut from coming off.