High Strength Nut for Steel Structure Standards: 1) ASTM A 325 A490 2) DIN6915 M16-M30 8.8S, ... 10.9S 3) AS1252 High Strength Nut for ... Steel Structure Standards: 1) ASTM ... Yield strengthMin:940MpaGrade8.8 or 10.9StandardDIN, ANSI, ASME, ASTM, IFI, JIS, ASThreadMetric, UNC, UNF, BSWFinishPlain, Galvanized ...