... together withhexagon nuts compling with Din 6915 and with washers with DIN 6916, DIN 6917 or DIN 6918.Material: 1. For ... For Japan Market SWRM8,SWM10, SWRM15, SWRM 20 for DIN grad 8 or SAE grade 2 nut SWRCH 30, ... SWRH35 for DIN grade10 or SAD grade 5 nut SWRM8, SWRM10,SWRCH15 ... SAE grad 5 bolt. 20MnTiB, 35CrMo, 42CrMo for DIN grad 10.9 or SAE grade 8 bolt Finish: Black ,Zinc ...