... strength bolt Cover, A325 Tension Control Bolt (T. C Bolt) A449 Tension Control Bolt( T. C Bolt) A490 Tension Control Bolt(T. C Bolt) For ... 4.grade:8.8,10.9,12.Bolts and nuts:Mechanical Properties1, Material: 40 Cr.2, Tensile strength: Mpa ... ANSI, ASME, ASTM, IFI, JIS, ASThreadMetric, UNC, UNF, BSWFinishPlain, Galvanized, Black, Nickel, Chrome, H.D.GPackingCarton, Box, Bag, PalletQuality AssuranceISO ...