Hexagon nuts with flange din6923 Hexagon nuts with flange din69231. standard : Hexagon nuts with flange din69232. material : carbon steel , brass , stainless steel3. size : M5 - ... so on .Our main products are bolts, screws, nuts, machine screws, plain washers, spring lock washers, wood screws, tapping screws, drilling ... our company, you are welcomed to visit us. Hexagon nuts with flange din6923