High strength bolting assemblies for preloading Bolt + Nut + 2 washers EN14399-3/6 10.9; HR; K2 Zinc plated with CE Marking Certificate 3.1 M20x75 10 M20x85 42 M24x145 48 M24x160 192 M30x105 270 M30x120 1.008 M30x200 160 M36x165 64