... .size:M8-M48 4.grade:8.8,10.9,12.Bolts and nuts:Mechanical Properties1, Material: 40 Cr.2, Tensile strength: ... 1 1/4'' 5.High tensile Description(TC bolt) Torshear type high strength bolts for steel structureMaterialAlloy steel ,carbon steel, ... , UNF, BSWFinishPlain, Galvanized, Black, Nickel, Chrome, H.D.GPackingCarton, Box, Bag, PalletQuality AssuranceISO 9001Our bolts and assembly products are used ...