... ASTM A325 A490 1/2 High Strength Bolt with Large Hax Head for Steel Structure Standards: 1) ISO ... 9SProduct information Description(TC bolt) Torshear type high strength bolts for steel structureMaterialAlloy steel ,carbon steel, stainless steel ... , ASME, ASTM, IFI, JIS, ASThreadMetric, UNC, UNF, BSWFinishPlain, Galvanized, Black, Nickel, Chrome, H.D.GPackingCarton, Box, Bag, PalletQuality ...