Qualfast: 5/8 UNC X 100 (4) Studbolt & 2 Nuts A193 (GR-B7/2H) Screwed Studding UNC Steel - Grade B7/2H Stud Bolt With 2 Hex Nuts BS 4882 MPN: 5/8 UNC X 100 (4) Studbolt & 2 Nuts A193 (GR-B7/2H) Attributes: Grade: 87 Leading Standard: BS 4882 Length: 100mm Material: Steel Product Type: Stud Bolt c/w 2 Nuts Surface Treatment: Plain Thread: UNC Thread Direction: Right Hand Thread Size: 5/8 UNC