F1852 steel structural bolt 1)10.9 grade 2)With round head and torx 3)Sizes:M16-M30 4)carbon steel or ... , ASTM, IFI, JIS, ASThreadMetric, UNC, UNF, BSWFinishPlain, Galvanized, Black, Nickel, Chrome, H.D.GPackingCarton, Box, Bag, PalletQuality AssuranceISO 9001 Our factory ...