... .DIN,BS, ANSI/ASME, ISO 3.m6-30x20-250mm Galvanized nut and screw gradestandardmaterialdiameterlengthsurface3.6(A)DIN(A)Carbon Steelm6-m3010mm-250mm ... .D.G10.97.DIN79907.Q195 (E)CR3+zinc (B)ISO(B)Swrch35k (F)CR6+zinc 1.ISO4014C)45# (G)dacromet 2.ISO4017 ... .6,5.8,6.8,8.8,10.96)finish:zinc, black, plain,H.D.G.7) material :Carbon Steel,swrch35k ...