Hexagon nuts with flange din6923 Hexagon nuts with flange din69231. standard : Hexagon nuts with flange din69232. material : carbon steel , brass , stainless steel3 ... dip galvanization, and Dacromet. Our products are produced in conformity with DIN, ANSI, AS, BS, JIS, GB and ISO standards ... international market shares. If you are interested in cooperating with us or our products, please don't hesitate ...