All thread stud Dia 3/4in Lg 3-1/12in with 2 hexagonal nuts (heavy series) Material: Alloy steel ASTM A193 B7M ASTM A194 2HM Studs for AINSI B16.5 Flanges Stud confirm to ANSI B18.2.1 Nuts confirm to ANSI B18.2.2 Nut shall be double chamfered, semi finished, hot forged and stamped Threads. UNC asp per ASME B1.1 with 2A fit for studs and cass 2B fit for nuts. Max hardness 22hrc, MTC required Quantity: 565 Pcs Shoulder bolts 5/8 dia x 8-90MM Bolts A193 B7 Nuts A194 2h Quantity: 156 Pcs