- M20x115 ASTM A193 Gr. B7 Stud Bolt coupled with 2 Nuts to ASTM A194 Gr. 2H.. Both are Hot Dip Galvanized_Qty : 38 - M22x150 ASTM A193 Gr. B7 Stud Bolt coupled with 2 Nuts to ASTM A194 Gr. 2H_Qty: 64