Flange Nuts
Flange nuts and general hexagon nuts have the same size as screw threads, but compared with hexagon nuts, it is gaskets and nuts that are integrated. There is an anti-skid insection on the bottom, which increases surface area contacts of nuts and workpieces and is stronger than the combination of ordinary nuts and washers. Generally, the specifications of common flange nuts are generally below M20, because most of the flange nuts are used on pipes and flanges, so the specifications of flange nuts...