High Strength Nut for Steel Structure Standards: 1) ASTM A 325 A490 2) DIN6915 M16-M30 8.8S,10. ... 3) AS1252 High Strength Nut for Steel Structure Standards: 1) ASTM A 325 A 4902) DIN6915 M16-M30 8.8S,10 ... .Yield strengthMin:940MpaGrade8.8 or 10.9StandardDIN, ANSI, ASME, ASTM, IFI, JIS, ASThreadMetric, UNC, UNF, BSWFinishPlain, Galvanized, Black, Nickel, Chrome, H.D ...