flange hex nutFeatures: 1) Standard of hex flage nut: DIN, ANSI/ASME, BS, GB, JIS, Non-standard. 2) Material of hex flange nut: Carbon steel3) Grade of hex flange nut:2,4,5,6,8,10,124) Dimension of hex flange nut: 4mm-120mm, 1/8"--2"5) Coating of the hex flange nut: Plain, Brass,black,...