... 1.TC bolt Description(TC bolt) Torshear type high strength bolts for steel structureMaterialAlloy steel ,carbon steel, stainless ... .Yield strengthMin:940MpaGrade8.8 or 10.9StandardDIN, ANSI, ASME, ASTM, IFI, JIS, ASThreadMetric, UNC, UNF, BSWFinishPlain, Galvanized, ... .035≤0.035≥0.020 Mechanical Properties CountryTensile strength bN/mm2Yield point BS/mm2Elongation percentage δ%Contraction percentage ...