1 3/8" STUD BOLTS + 2 NUTS: L= 240 MM: ANSI THD; TB. BUL 5368, ASTM A453 GR. 660 35 pcs. STUD BOLTS DIA, 1 5/8"-8UN-B1.1-620 LG. + 2 HEXAGONAL NUTS ANSI THDD - TB BUL 5368 - ASTM A193 87 + ASTM A194 GR.2H. 150 pcs.