... Hex bolts nuts washers High strength torsional shear bolt with flange washer and hex head1. Material: low carbon alloy ... of products, which are according to the international standards including ANSI, ASTM (America), DIN (Germany), GB (China), UNI, JIS ( ... :1240Mpa, Min:1040Mpa.Yield strengthMin:940MpaGrade8.8 or 10.9StandardDIN, ANSI, ASME, ASTM, IFI, JIS, ASThreadMetric, UNC, UNF, BSWFinishPlain, ...