Salco Products (EB346XHAC) 3/4 x 6-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 3/4-inch in diameter and 6-inches in length with a 13/32-inch seal hole. The eyebolt has 3/4 -10 UNC -2A rolled threads with the length of 4-inches. The inner diameter of the eye is 13/16-inches, with the outer diameter being 1-1/2-inches. Includes a 3/4-inch, ASTM A194 Grade 2H carbon steel, heavy hex nut. A 3/4-inch, carbon steel, flat washer with a 2-inch outer diameter, and a 3/4-inch, carbon steel, eyebolt safety collar. There is a 1/4-inch x 13/16-inch, 316 stainless steel, huck rivet at the end of the threads to prevent the heavy hex nut from coming off.