Product Name: ASTM A193 Grade B7 Stud Bolt, Threaded Rod
Standard: ASME B18.2.1
Material: Alloy Steel ASTM A193 Grade B7
Size: 5/8 Inch, 3/4 Inch, 1 Inch
Length: 3657 MM, Customized
Surface Treatment: Plain

Source: https://www.landeepipefitting.com/astm-a193-b7-stud-bolt-asme-b18-2-1-5-8-1-inch-customized.html