ASME B18.2.1-5/8"-11UNC x120 B8M 3.1 * 16 Pcs. ASME B18.2.2- 5/8"-11UNC-3.1 * 64 Pcs. ASME B18.2.1-1" - 8UNC x184 B8M 3.1 * 60 Pcs. ASME B18.2.2-1" - 8UNC-3.1* 144 Pcs. ASME B18.2.1-1" - 8UNC x200 B8M 3.1 * 12 Pcs. ASME B18.2.1-5/8"-11UNC x110 B8M 3.1 * 16 Pcs.