Different metric sizes for threaded rods and different nuts and bolts.
Drill screws, metric screws, metric nuts, washers, metal studs, fischer type dowels etc.
Threaded zinc rod. 6-8-10 metric.
Plate or washer with M6 25mm length stud.
Plate or squared washer with M8 32mm length stud. Measures 52x37x3mm.
Washer screw. Washer or rectangular plate with a central M8 nut.