Product : Stainless Steel Bolt and Nut Size: 7/8 Inch Material: Stainless Steel Material for Stud Bolt: ASTM A193 B8M Class2 Material for Hex Nut: ASTM A194 Grade 8M Class2 Thread: 9 UNC Total Length: 110 mm Standard for Bolt: ASME B18.31.2 Standard for Nut: ASME B18.2.2