... bolts with large widhs across flats. Fit bolt are intended for use in structural steel bolting (GVP bolting or SLP bolting). ... grad 8 or SAE grade 2 nut SWRCH 30, SWRH35 for DIN grade10 or SAD grade 5 nut SWRM8, SWRM10, ... nut or SAE grade2 Bolt S35C, SWRCH32, SWRCH35,SWRCH32 for DIN grade 6.8,8.8 or SAE grad 5 ... bolt. 20MnTiB, 35CrMo, 42CrMo for DIN grad 10.9 or SAE grade 8 bolt Finish ...