... & crossing bolts, high tensile strength bolts for rail bridges etc.3, Various type and sizes of tie plates, clamps, fastenings, ... distributors in Europe & America & South Africa etc. Product: BoltsStandard: DIN, JIS, ANSI/SAE/ASME, ISO, BS, AS standard.Diameters ... namefish bolts & nutsstandardASTM, BS, UIC864-1, JIS, GOST, DIN, AS, GB and so on.sizesAccording to clientsClassAccording to clientsShape ...