... with large widhs across flats. Fit bolt are intended for use in structural steel bolting (GVP bolting or SLP bolting). They may ... grad 8 or SAE grade 2 nut SWRCH 30, SWRH35 for DIN grade10 or SAD grade 5 nut SWRM8, SWRM10, ... .8 or SAE grad 5 bolt. 20MnTiB, 35CrMo, 42CrMo for DIN grad 10.9 or SAE grade 8 bolt Finish ... strength hexagon fit bolts, with large widths across flats for structal steel bolting