... ASME B18.2.3.7Product name: Track bolt and nut Model: As per machine Material: 40Cr Processing: Forging Size: M12*40 19 ... in the future.9-OEM capacity , for example , can put your mark on the bolt head and so on .1.Materials: Low ... -200mmTensile strengthMax:1240Mpa, Min:1040Mpa.Yield strengthMin:940MpaGrade8.8 or 10.9StandardDIN, ANSI, ASME, ASTM, IFI, JIS, ASThreadMetric, UNC, UNF, BSWFinishPlain ...