Salco Products (EB78458XHFTATC) 7/8 x 4-5/8-Inch Carbon Steel Eyebolt Assembly with Seal Hole and Safety Collar, Heavy Hex Nut features a ASTM A307 Grade B carbon steel eyebolt that is 7/8-inch in diameter and 4-5/8-inches in length. The eyebolt is fully threaded and has 7/8-9 UNC -2A rolled threads with the length of 3-3/8-inches. The inner diameter of the eye is 15/16-inches, with the outer diameter being 1-3/4-inches. Includes a 7/8-inch, ASTM A194 Grade 2H carbon steel, heavy hex nut with a 3/16-inch seal hole. A 7/8-inch, carbon steel, flat washer with a 2-inch outer diameter, and a 7/8-inch x 21/32-inch, 303 stainless steel, eyebolt safety collar. There is a bead of weld at the end of the threads to prevent the heavy hex nut from coming off.