... we have already established the long-term business cooperation relationship with some famous G. E. T manufacturers & distributors in ... be from TB1/2-TB1.1/4 for English system, from TB12-TB30 for metric system.8-Our advantage: Good quality ... , UNC, UNF, BSWFinishPlain, Galvanized, Black, Nickel, Chrome, H.D.GPackingCarton, Box, Bag, PalletQuality AssuranceISO 9001Our bolts and assembly products ...