... .6 ASME B18.2.3.7Product name: Track bolt and nut Model: As per machine Material: 40Cr Processing: Forging Size: M12*40 ... .9StandardDIN, ANSI, ASME, ASTM, IFI, JIS, ASThreadMetric, UNC, UNF, BSWFinishPlain, Galvanized, Black, Nickel, Chrome, H.D.GPackingCarton, Box, Bag, PalletQuality AssuranceISO ...