... 9S 2) ASTM A325 A490 1/2 High Strength Bolt with Large Hax Head for Steel Structure Standards: 1) ISO ... DIN 6914 M16-M30 10.9SProduct information Description(TC bolt) Torshear type high strength bolts for steel structureMaterialAlloy steel ,carbon ... , ASTM, IFI, JIS, ASThreadMetric, UNC, UNF, BSWFinishPlain, Galvanized, Black, Nickel, Chrome, H.D.GPackingCarton, Box, Bag, PalletQuality AssuranceISO 9001 ...