... M30 steel hexgon head bolts of product grade c for use in structural steel bolting . These bolts M12 ... 8 or SAE grade 2 nut SWRCH 30, SWRH35 for DIN grade10 or SAD grade 5 nut SWRM8, SWRM10 ... or SAE grad 5 bolt. 20MnTiB, 35CrMo, 42CrMo for DIN grad 10.9 or SAE grade 8 bolt Finish ... and DacrotizedPacking: Carton/Pallet Steel Hexagon head bolts for structural steel bolting, for supply with hexagon nuts