... Plain, Zinc plated etc Competitive Advantage: Quality/Prices/Delivry Carbon Steel DIN933 Hex Bolt & DIN934 Hex NutHex Bolts: ... gradestandardmaterialdiameterlengthsurface3.6(A)DIN(A)Carbon Steelm6-m3010mm-250mm(A)zinc4.61.DIN9331.C10081/4''- ... Finish: zinc, black, plain,H.D.G7. Material : Carbon Steel,swrch35k,45#8. Thread: BSW,BSF,UNC,UNF etc9 ...