... 1) DIN125 / DIN9021 2) carton steel, Q235 3) EG, Yellow zinc coat ,HDG, Plain,etc. 4) ISO9001:2000 The specification of ... , low carton steel, Q235(3) Grade: 4.8 or depending on your requirements(4) Dimension: M6 to M64 ; 1/4'' ---2 ... -1/2''(5) Surface treatment: hot dip galvanize, zinc plated, Black or plain(6) Packing: 25kg/carton or as ...